HIGH🇵🇱 Wersja polska

CVE-2021-29980

CVSS 8.8v3.1pub. 2021-08-17upd. 2024-11-21

Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

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

  • Mozilla Firefox

    APP
    Mozilla
    < 91.0

  • Mozilla Firefox Esr

    APP
    Mozilla
    < 78.13.0

  • Mozilla Thunderbird

    APP
    Mozilla
    < 78.13.0
🔵
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

Related vulnerabilities

CVE-2024-9680CRITICAL9.8⚠ KEVPL ✓same product

Use-after-free w Animation timelines Firefox/Thunderbird — RCE

CVE-2022-26486CRITICAL9.6⚠ KEVPL ✓same product

Use-after-free w WebGPU IPC framework Mozilla — sandbox escape

CVE-2019-11708CRITICAL10.0⚠ KEVPL ✓same product

Mozilla Firefox/Thunderbird: przełamanie sandbox przez IPC Prompt:Open

CVE-2010-3765CRITICAL9.8⚠ KEVPL ✓same product

RCE w Mozilla Firefox przez błąd nsCSSFrameConstructor::ContentAppended

CVE-2026-84119CRITICAL9.6same product

Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox...