ALT-PU-2023-8231-2

BDU:2023-08952

MEDIUM5.3

Уязвимость push-уведомлений браузера Mozilla Firefox операционных систем Android, позволяющая нарушителю получить несанкционированный доступ к ограниченным функциям

Published: 2023-12-21

CVSS 3.xMEDIUM 5.3

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/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

CVE-2023-6868

BDU:2023-08959

LOW3.1

Уязвимость изолированной среды iframe браузера Mozilla Firefox, позволяющая нарушителю обойти существующие ограничения безопасности

Published: 2023-12-21Modified: 2025-03-21

CVSS 3.xLOW 3.1

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

CVSS 2.0LOW 2.6

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

References

CVE-2023-6869

BDU:2023-09018

MEDIUM4.7

Уязвимость браузеров Firefox, Firefox ESR, связанная с ошибками представления информации пользовательским интерфейсом, позволяющая нарушителю провести атаку типа clickjacking («захват клика»)

Published: 2023-12-22Modified: 2024-11-11

CVSS 3.xMEDIUM 4.7

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

CVSS 2.0MEDIUM 4.0

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

References

CVE-2023-6867

BDU:2023-09031

MEDIUM6.1

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, связанная с нарушением начальной границы буфера, позволяющая нарушителю оказать воздействие на конфиденциальность и целостность данных

Published: 2023-12-22Modified: 2024-11-11

CVSS 3.xMEDIUM 6.1

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

CVE-2023-6857

BDU:2023-09055

HIGH8.8

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

Published: 2023-12-25Modified: 2024-11-11

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

CVE-2023-6864

BDU:2023-09056

MEDIUM5.4

Уязвимость службы сетевой безопасности NSS браузера Mozilla Firefox, позволяющая нарушителю получить доступ к конфиденциальной информации

Published: 2023-12-25

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

CVE-2023-6135

BDU:2023-09057

LOW3.1

Уязвимость браузера Mozilla Firefox, связанная с недостатками в обработке исключительных состояний, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2023-12-25Modified: 2025-03-21

CVSS 3.xLOW 3.1

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

CVSS 2.0LOW 2.6

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

References

CVE-2023-6866

BDU:2023-09058

MEDIUM6.5

Уязвимость компонента VideoBridge браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю обойти защитный механизм защиты изолированной программной среды

Published: 2023-12-25Modified: 2024-11-11

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

CVE-2023-6860

BDU:2023-09059

MEDIUM6.5

Уязвимость режима инкогнито браузеров Mozilla Firefox, Firefox ESR, связанная с использованием неинициализированных переменных, позволяющая нарушителю раскрыть защищаемую информацию

Published: 2023-12-25Modified: 2024-11-11

CVSS 3.xMEDIUM 6.5

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

CVSS 2.0HIGH 7.8

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

References

CVE-2023-6865

BDU:2023-09115

HIGH8.8

Уязвимость функции nsTextFragment браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации

Published: 2023-12-26Modified: 2024-11-11

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

CVE-2023-6858

BDU:2023-09116

HIGH8.8

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

Published: 2023-12-26Modified: 2024-11-11

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

CVE-2023-6859

BDU:2023-09117

HIGH7.5

Уязвимость метода nsWindow::PickerOpen(void) браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации

Published: 2023-12-26Modified: 2024-11-11

CVSS 3.xHIGH 7.5

CVSS:3.x/AV:N/AC:H/PR:N/UI:R/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

CVE-2023-6861

BDU:2023-09118

HIGH8.8

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

Published: 2023-12-26Modified: 2024-11-11

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

CVE-2023-6863

BDU:2023-09119

HIGH8.8

Уязвимость метода WebGL DrawElementsInstanced браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации

Published: 2023-12-26Modified: 2024-11-11

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

CVE-2023-6856

BDU:2023-09126

MEDIUM4.3

Уязвимость полноэкранных уведомлений браузера Mozilla Firefox и Firefox Focus операционных систем Android, позволяющая нарушителю оказать воздействие на целостность данных

Published: 2023-12-27Modified: 2025-03-21

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

CVE-2023-6870

BDU:2023-09127

MEDIUM4.3

Уязвимость браузера Mozilla Firefox и Firefox Focus, связанная с отсутствием предупреждения при переходе к новому обработчику, позволяющая нарушителю оказать воздействие на целостность данных

Published: 2023-12-27Modified: 2025-03-21

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

CVE-2023-6871

BDU:2024-00031

HIGH8.8

Уязвимость браузера Mozilla, связанная с записью за границами буфера, позволяющая нарушителю выполнить произвольный код

Published: 2024-01-02Modified: 2026-04-09

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

CVE-2023-6873

BDU:2024-00059

MEDIUM6.5

Уязвимость заголовок вкладок браузера Mozilla Firefox, позволяющая нарушителю раскрыть защищаемую информацию

Published: 2024-01-05Modified: 2025-03-21

CVSS 3.xMEDIUM 6.5

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

CVSS 2.0HIGH 7.8

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

References

CVE-2023-6872

CVE-2023-6135

MEDIUM4.3

Multiple NSS NIST curves were susceptible to a side-channel attack known as "Minerva". This attack could potentially allow an attacker to recover the private key. This vulnerability affects Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

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-2023-6856

HIGH8.8

The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

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-2023-6857

MEDIUM5.3

When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

CVSS 3.xMEDIUM 5.3

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

References

CVE-2023-6858

HIGH8.8

Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Published: 2023-12-19Modified: 2025-05-07

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-2023-6859

HIGH8.8

A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

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-2023-6860

MEDIUM6.5

The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

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-2023-6861

HIGH8.8

The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

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-2023-6863

HIGH8.8

The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

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-2023-6864

HIGH8.8

Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. 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 affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

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-2023-6865

MEDIUM6.5

`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

CVSS 3.xMEDIUM 6.5

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

References

CVE-2023-6866

HIGH8.8

TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs which expect TypedArrays to always succeed. This vulnerability affects Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

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-2023-6867

MEDIUM6.1

The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

CVSS 3.xMEDIUM 6.1

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

References

CVE-2023-6868

MEDIUM4.3

In some instances, the user-agent would allow push requests which lacked a valid VAPID even though the push manager subscription defined one. This could allow empty messages to be sent from unauthorized parties. This bug only affects Firefox on Android. This vulnerability affects Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

CVSS 3.xMEDIUM 4.3

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

References

CVE-2023-6869

MEDIUM6.5

A `<dialog>` element could have been manipulated to paint content outside of a sandboxed iframe. This could allow untrusted content to display under the guise of trusted content. This vulnerability affects Firefox < 121.

Published: 2023-12-19Modified: 2025-05-07

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-2023-6870

MEDIUM4.3

Applications which spawn a Toast notification in a background thread may have obscured fullscreen notifications displayed by Firefox. This issue only affects Android versions of Firefox and Firefox Focus. This vulnerability affects Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

CVSS 3.xMEDIUM 4.3

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

References

CVE-2023-6871

MEDIUM4.3

Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler. This vulnerability affects Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

CVSS 3.xMEDIUM 4.3

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

References

CVE-2023-6872

MEDIUM6.5

Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing habits of users running in a private tab. This vulnerability affects Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

CVSS 3.xMEDIUM 6.5

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

References

CVE-2023-6873

HIGH8.8

Memory safety bugs present in Firefox 120. 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 affects Firefox < 121.

Published: 2023-12-19Modified: 2024-11-21

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

Package update firefox in branch sisyphus

Closed issues (36)

Уязвимость push-уведомлений браузера Mozilla Firefox операционных систем Android, позволяющая нарушителю получить несанкционированный доступ к ограниченным функциям

Уязвимость изолированной среды iframe браузера Mozilla Firefox, позволяющая нарушителю обойти существующие ограничения безопасности

Уязвимость службы сетевой безопасности NSS браузера Mozilla Firefox, позволяющая нарушителю получить доступ к конфиденциальной информации

Уязвимость браузера Mozilla Firefox, связанная с недостатками в обработке исключительных состояний, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость полноэкранных уведомлений браузера Mozilla Firefox и Firefox Focus операционных систем Android, позволяющая нарушителю оказать воздействие на целостность данных

Уязвимость браузера Mozilla, связанная с записью за границами буфера, позволяющая нарушителю выполнить произвольный код

Уязвимость заголовок вкладок браузера Mozilla Firefox, позволяющая нарушителю раскрыть защищаемую информацию

Multiple NSS NIST curves were susceptible to a side-channel attack known as "Minerva". This attack could potentially allow an attacker to recover the private key. This vulnerability affects Firefox < 121.

Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs which expect TypedArrays to always succeed. This vulnerability affects Firefox < 121.

In some instances, the user-agent would allow push requests which lacked a valid VAPID even though the push manager subscription defined one. This could allow empty messages to be sent from unauthorized parties. This bug only affects Firefox on Android. This vulnerability affects Firefox < 121.

A `<dialog>` element could have been manipulated to paint content outside of a sandboxed iframe. This could allow untrusted content to display under the guise of trusted content. This vulnerability affects Firefox < 121.

Applications which spawn a Toast notification in a background thread may have obscured fullscreen notifications displayed by Firefox. This issue only affects Android versions of Firefox and Firefox Focus. This vulnerability affects Firefox < 121.

Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler. This vulnerability affects Firefox < 121.

Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing habits of users running in a private tab. This vulnerability affects Firefox < 121.

Memory safety bugs present in Firefox 120. 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 affects Firefox < 121.

Package update firefox in branch sisyphus

Closed issues (36)

Уязвимость push-уведомлений браузера Mozilla Firefox операционных систем Android, позволяющая нарушителю получить несанкционированный доступ к ограниченным функциям

Уязвимость изолированной среды iframe браузера Mozilla Firefox, позволяющая нарушителю обойти существующие ограничения безопасности

Уязвимость службы сетевой безопасности NSS браузера Mozilla Firefox, позволяющая нарушителю получить доступ к конфиденциальной информации

Уязвимость браузера Mozilla Firefox, связанная с недостатками в обработке исключительных состояний, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость полноэкранных уведомлений браузера Mozilla Firefox и Firefox Focus операционных систем Android, позволяющая нарушителю оказать воздействие на целостность данных

Уязвимость браузера Mozilla, связанная с записью за границами буфера, позволяющая нарушителю выполнить произвольный код

Уязвимость заголовок вкладок браузера Mozilla Firefox, позволяющая нарушителю раскрыть защищаемую информацию

Multiple NSS NIST curves were susceptible to a side-channel attack known as "Minerva". This attack could potentially allow an attacker to recover the private key. This vulnerability affects Firefox < 121.

Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs which expect TypedArrays to always succeed. This vulnerability affects Firefox < 121.

In some instances, the user-agent would allow push requests which lacked a valid VAPID even though the push manager subscription defined one. This could allow empty messages to be sent from unauthorized parties. *This bug only affects Firefox on Android.* This vulnerability affects Firefox < 121.

A `<dialog>` element could have been manipulated to paint content outside of a sandboxed iframe. This could allow untrusted content to display under the guise of trusted content. This vulnerability affects Firefox < 121.

Applications which spawn a Toast notification in a background thread may have obscured fullscreen notifications displayed by Firefox. *This issue only affects Android versions of Firefox and Firefox Focus.* This vulnerability affects Firefox < 121.

Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler. This vulnerability affects Firefox < 121.

Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing habits of users running in a private tab. This vulnerability affects Firefox < 121.

Memory safety bugs present in Firefox 120. 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 affects Firefox < 121.

In some instances, the user-agent would allow push requests which lacked a valid VAPID even though the push manager subscription defined one. This could allow empty messages to be sent from unauthorized parties. This bug only affects Firefox on Android. This vulnerability affects Firefox < 121.

Applications which spawn a Toast notification in a background thread may have obscured fullscreen notifications displayed by Firefox. This issue only affects Android versions of Firefox and Firefox Focus. This vulnerability affects Firefox < 121.