ALT-PU-2025-10542-6

BDU:2025-07723

MEDIUM5.3

Уязвимость интерфейса FontFaceSet браузеров Mozilla Firefox, Firefox ESR, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-06-29Modified: 2026-03-03

CVSS 3.xMEDIUM 5.3

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

CVSS 2.0MEDIUM 4.6

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

References

BDU:2025-07727

HIGH8.8

Уязвимость браузеров Mozilla Firefox, Firefox ESR операционных систем macOS, связанная с недостаточной проверкой подлинности данных, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации

Published: 2025-06-29Modified: 2025-10-01

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:2025-07728

MEDIUM6.5

Уязвимость браузеров Mozilla Firefox, Firefox ESR, связанная с неправильным кодированием или экранированием выходных данных, позволяющая нарушителю обойти существующие ограничения безопасности и перенаправить пользователя на другой веб-сайт

Published: 2025-06-29Modified: 2026-03-03

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:2025-08995

MEDIUM5.0

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, связанная с выходом операции за границы буфера в памяти, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации

Published: 2025-07-24Modified: 2026-03-03

CVSS 3.xMEDIUM 5.0

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

CVSS 2.0MEDIUM 5.1

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

References

BDU:2025-09457

HIGH8.1

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, связанная с неверным управлением генерацией кода, позволяющая нарушителю оказать воздействие на конфиденциальность и целостность защищаемой информации

Published: 2025-08-06Modified: 2026-03-03

CVSS 3.xHIGH 8.1

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

CVSS 2.0CRITICAL 9.4

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

References

BDU:2025-10485

LOW3.1

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, связанная с раскрытием информации посредством регистрационных файлов отладки, позволяющая нарушителю получить несанкционированный доступ к защищаемой информации

Published: 2025-08-28Modified: 2026-03-03

CVSS 3.xLOW 3.1

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

CVSS 2.0LOW 2.6

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

References

CVE-2025-8031

BDU:2025-10491

CRITICAL9.1

Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, связанная с отсутствием флага «Secure» в файлах cookie HTTPS-сеанса, позволяющая нарушителю оказать воздействие на конфиденциальность и целостность защищаемой информации

Published: 2025-08-28Modified: 2026-03-03

CVSS 3.xCRITICAL 9.1

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

CVSS 2.0CRITICAL 9.4

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

References

CVE-2025-6424

CRITICAL9.8

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

Published: 2025-06-24Modified: 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-2025-6426

HIGH8.8

The executable file warning did not warn users before opening files with the `terminal` extension. This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

Published: 2025-06-24Modified: 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-2025-6429

MEDIUM6.5

Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag. This could have bypassed website security checks that restricted which domains users were allowed to embed. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

Published: 2025-06-24Modified: 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-2025-8028

CRITICAL9.8

On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Published: 2025-07-22Modified: 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-2025-8029

HIGH8.1

Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Published: 2025-07-22Modified: 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:H/A:N

References

CVE-2025-8031

CRITICAL9.8

The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Published: 2025-07-22Modified: 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-2025-8037

CRITICAL9.1

Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.

Published: 2025-07-22Modified: 2026-04-13

CVSS 3.xCRITICAL 9.1

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

References

Package update palemoon in branch p11

Closed issues (14)

Уязвимость интерфейса FontFaceSet браузеров Mozilla Firefox, Firefox ESR, позволяющая нарушителю вызвать отказ в обслуживании

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

The executable file warning did not warn users before opening files with the `terminal` extension. This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.

Package update palemoon in branch p11

Closed issues (14)

Уязвимость интерфейса FontFaceSet браузеров Mozilla Firefox, Firefox ESR, позволяющая нарушителю вызвать отказ в обслуживании

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

The executable file warning did not warn users before opening files with the `terminal` extension. *This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.

The executable file warning did not warn users before opening files with the `terminal` extension. This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.