ALT-PU-2025-4001-4 — thunderbird

BDU:2025-00073

CRITICAL9.8

Уязвимость функции sec_pkcs7_decoder_start_decrypt() браузера Mozilla Firefox и почтового клиента Thunderbird, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации

Published: 2025-01-06Modified: 2026-03-04

CVSS 3.xCRITICAL 9.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

BDU:2025-02309

HIGH8.8

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR связанная с ошибками процедуры подтверждения подлинности сертификата, позволяющая нарушителю оказывать воздействие на конфиденциальность, целостность и доступность защищаемой информации

Published: 2025-03-05Modified: 2026-03-04

CVSS 3.xHIGH 8.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

BDU:2025-02310

CRITICAL9.8

Уязвимость компонента WebAssembly браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-03-05Modified: 2026-03-04

CVSS 3.xCRITICAL 9.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

BDU:2025-02311

MEDIUM6.5

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, связанная с ошибками синхронизации при использовании общего ресурса («Ситуация гонки»), позволяющая нарушителю получить несанкционированный доступ к защищаемой информации

Published: 2025-03-05Modified: 2026-03-04

CVSS 3.xMEDIUM 6.5

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS 2.0MEDIUM 6.4

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:N

References

BDU:2025-02312

CRITICAL9.8

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, связанная с возможностью использования памяти после освобождения, позволяющая нарушителю оказывать воздействие на конфиденциальность, целостность и доступность защищаемой информации

Published: 2025-03-05Modified: 2026-03-04

CVSS 3.xCRITICAL 9.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

BDU:2025-02313

CRITICAL9.8

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, связанная с возможностью использования памяти после освобождения, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-03-05Modified: 2026-03-04

CVSS 3.xCRITICAL 9.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

BDU:2025-02314

CRITICAL9.8

Уязвимость компонента Custom Highlight API браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-03-05Modified: 2026-03-04

CVSS 3.xCRITICAL 9.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

BDU:2025-02315

MEDIUM5.4

Уязвимость полей адресной книги Address Book URI почтового клиента Thunderbird, Thunderbird ESR, связанная с непринятием мер по защите структуры веб-страницы, позволяющая нарушителю выполнить произвольный JavaScript-код

Published: 2025-03-05Modified: 2026-03-04

CVSS 3.xMEDIUM 5.4

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS 2.0MEDIUM 6.4

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:N

References

BDU:2025-02316

MEDIUM6.5

Уязвимость почтового клиента Thunderbird, Thunderbird ESR, связанная с недостаточной проверкой подлинности данных, позволяющая нарушителю оказать влияние на целостность данных

Published: 2025-03-05Modified: 2026-03-04

CVSS 3.xMEDIUM 6.5

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CVSS 2.0HIGH 7.8

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:C/A:N

References

BDU:2025-02317

CRITICAL9.8

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, связанная с чтением за границами буфера в памяти, позволяющая нарушителю выполнить произвольный код

Published: 2025-03-05Modified: 2026-03-04

CVSS 3.xCRITICAL 9.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

BDU:2025-02512

MEDIUM6.3

Уязвимость почтового клиента Thunderbird, связанная с ошибками представления информации пользовательским интерфейсом, позволяющая нарушителю раскрыть защищаемую информацию

Published: 2025-04-04Modified: 2025-10-02

CVSS 3.xMEDIUM 6.3

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVSS 2.0HIGH 7.5

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:P

References

BDU:2025-02578

MEDIUM5.3

Уязвимость почтового клиента Thunderbird, связанная с некорректным импортом ключа OpenPGP с сервера WKD, позволяющая нарушителю получить несанкционированный доступ к защищаемой информации

Published: 2025-03-12Modified: 2026-01-20

CVSS 3.xMEDIUM 5.3

CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS 2.0MEDIUM 4.3

CVSS:2.0/AV:L/AC:L/Au:S/C:P/I:P/A:P

References

BDU:2025-02599

MEDIUM6.3

Уязвимость компонента AudioIPC браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю выполнить произвольный код

Published: 2025-03-13Modified: 2026-03-04

CVSS 3.xMEDIUM 6.3

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVSS 2.0HIGH 7.5

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:P

References

BDU:2025-02600

HIGH7.8

Уязвимость компонента RegExp браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю выполнить произвольный код

Published: 2025-03-13Modified: 2026-03-04

CVSS 3.xHIGH 7.8

CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0MEDIUM 6.8

CVSS:2.0/AV:L/AC:L/Au:S/C:C/I:C/A:C

References

BDU:2025-02601

CRITICAL9.8

Уязвимость компонента xslt/txNodeSorter браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю оказать влияние на конфиденциальность, целостность и доступность защищаемой информации

Published: 2025-03-13Modified: 2026-03-04

CVSS 3.xCRITICAL 9.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

BDU:2025-02602

MEDIUM4.3

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, связанная с ошибками представления информации пользовательским интерфейсом, позволяющая нарушителю оказать влияние на целостность защищаемой информации

Published: 2025-03-13Modified: 2026-03-04

CVSS 3.xMEDIUM 4.3

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS 2.0MEDIUM 5.0

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:P/A:N

References

BDU:2025-02603

MEDIUM6.3

Уязвимость компонента WebTransport браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-03-13Modified: 2026-03-04

CVSS 3.xMEDIUM 6.3

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVSS 2.0HIGH 7.5

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:P

References

BDU:2025-02604

MEDIUM6.3

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR связанная с выходом операции за границы буфера в памяти, позволяющая нарушителю вызвать выполнить произвольный код

Published: 2025-03-13Modified: 2026-03-04

CVSS 3.xMEDIUM 6.3

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVSS 2.0HIGH 7.5

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:P

References

BDU:2025-02605

MEDIUM6.5

Уязвимость компонента RegExp браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю оказать влияние на конфиденциальность, целостность защищаемой информации

Published: 2025-03-13Modified: 2026-03-04

CVSS 3.xMEDIUM 6.5

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS 2.0MEDIUM 6.4

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:N

References

BDU:2025-02606

MEDIUM6.5

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, связанная с чтением за границами буфера в памяти, позволяющая нарушителю выполнить произвольный код

Published: 2025-03-13Modified: 2026-03-04

CVSS 3.xMEDIUM 6.5

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS 2.0MEDIUM 6.4

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:N

References

BDU:2025-02877

HIGH7.6

Уязвимость JIT-компилятора браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю выполнить произвольный код

Published: 2025-03-18Modified: 2026-03-04

CVSS 3.xHIGH 7.6

CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

CVSS 2.0CRITICAL 9.0

CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:C

References

BDU:2025-04986

HIGH8.1

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, связанная с использованием памяти после ее освобождения, позволяющая нарушителю выполнить произвольный код

Published: 2025-04-28Modified: 2026-03-04

CVSS 3.xHIGH 8.1

CVSS:3.x/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0HIGH 7.6

CVSS:2.0/AV:N/AC:H/Au:N/C:C/I:C/A:C

References

BDU:2025-12474

CRITICAL9.8

Уязвимость веб-браузеров Firefox и Firefox ESR, почтового клиента Thunderbird, связанная с записью за границами буфера, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании

Published: 2025-10-06Modified: 2026-03-04

CVSS 3.xCRITICAL 9.8

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0CRITICAL 10.0

CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C

References

CVE-2025-1017

BDU:2025-12479

HIGH7.8

Уязвимость компонента SkRegion.cpp веб-браузера Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании

Published: 2025-10-06Modified: 2026-03-04

CVSS 3.xHIGH 7.8

CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0MEDIUM 6.8

CVSS:2.0/AV:L/AC:L/Au:S/C:C/I:C/A:C

References

CVE-2024-43097

CVE-2024-11704

CRITICAL9.8

A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7.

Published: 2024-11-26Modified: 2025-11-03

CVSS 3.xCRITICAL 9.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

CVE-2024-43097

HIGH7.8

In resizeToAtLeast of SkRegion.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Published: 2025-01-03Modified: 2025-11-03

CVSS 3.xHIGH 7.8

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

CVE-2025-0510

MEDIUM6.5

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xMEDIUM 6.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References

CVE-2025-1009

CRITICAL9.8

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xCRITICAL 9.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

CVE-2025-1010

HIGH8.8

An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xHIGH 8.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

CVE-2025-1011

HIGH8.8

A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xHIGH 8.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

CVE-2025-1012

HIGH7.5

A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

CVE-2025-1013

MEDIUM6.5

A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xMEDIUM 6.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References

CVE-2025-1014

HIGH8.8

Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xHIGH 8.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

CVE-2025-1015

MEDIUM5.4

The Thunderbird Address Book URI fields contained unsanitized links. This could be used by an attacker to create and export an address book containing a malicious payload in a field. For example, in the “Other” field of the Instant Messaging section. If another user imported the address book, clicking on the link could result in opening a web page inside Thunderbird, and that page could execute (unprivileged) JavaScript. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xMEDIUM 5.4

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References

CVE-2025-1016

CRITICAL9.8

Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xCRITICAL 9.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

CVE-2025-1017

CRITICAL9.8

Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Published: 2025-02-04Modified: 2026-04-13

CVSS 3.xCRITICAL 9.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

CVE-2025-1930

HIGH8.8

On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Published: 2025-03-04Modified: 2026-04-13

CVSS 3.xHIGH 8.8

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

CVE-2025-1931

HIGH7.5

It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Published: 2025-03-04Modified: 2026-04-13

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

CVE-2025-1932

HIGH8.1

An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Published: 2025-03-04Modified: 2026-04-13

CVSS 3.xHIGH 8.1

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

References

CVE-2025-1933

HIGH7.6

On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Published: 2025-03-04Modified: 2026-04-13

CVSS 3.xHIGH 7.6

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

References

CVE-2025-1934

MEDIUM6.5

It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Published: 2025-03-04Modified: 2026-04-13

CVSS 3.xMEDIUM 6.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

CVE-2025-1935

MEDIUM4.3

A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Published: 2025-03-04Modified: 2026-04-13

CVSS 3.xMEDIUM 4.3

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References

CVE-2025-1936

HIGH7.3

jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Published: 2025-03-04Modified: 2026-04-13

CVSS 3.xHIGH 7.3

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

CVE-2025-1937

HIGH7.5

Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Published: 2025-03-04Modified: 2026-04-13

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

CVE-2025-1938

MEDIUM6.5

Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Published: 2025-03-04Modified: 2026-04-13

CVSS 3.xMEDIUM 6.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References

CVE-2025-26695

MEDIUM5.3

When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

Published: 2025-03-10Modified: 2026-04-13

CVSS 3.xMEDIUM 5.3

CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References

CVE-2025-26696

HIGH7.0

Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

Published: 2025-03-10Modified: 2026-04-13

CVSS 3.xHIGH 7.0

CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

References

CVE-2025-3030

HIGH8.1

Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.

Published: 2025-04-01Modified: 2026-04-13

CVSS 3.xHIGH 8.1

CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Package update thunderbird in branch p11

Closed issues (48)

Уязвимость компонента WebAssembly браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость компонента Custom Highlight API браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость компонента AudioIPC браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю выполнить произвольный код

Уязвимость компонента RegExp браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, Thunderbird ESR, позволяющая нарушителю выполнить произвольный код

Уязвимость компонента WebTransport браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость JIT-компилятора браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю выполнить произвольный код

In resizeToAtLeast of SkRegion.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135.

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.