CVE-2020-26950 | BDVDB-2026-145672 Detail

MozillaFirefox

Description#

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://bugzilla.mozilla.org/show_bug.cgi?id=1675905
https://www.mozilla.org/security/advisories/mfsa2020-49/
http://packetstormsecurity.com/files/166175/Firefox-MCallGetProperty-Write-Side-Effects-Use-After-Free.html

Exploit#

No public exploit known

History#

Version 12020-12-09Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.