CVE-2022-45406

State: Published
Severity: 9.8 Critical
Published: Dec 22, 2022
Updated: Apr 15, 2025
Reserved: Nov 14, 2022

Description

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Firefox ESRMozilla	before 102.5Affected
ThunderbirdMozilla	before 102.5Affected
FirefoxMozilla	before 107Affected

References

https://www.mozilla.org/security/advisories/mfsa2022-47/
https://www.mozilla.org/security/advisories/mfsa2022-49/
https://www.mozilla.org/security/advisories/mfsa2022-48/
https://bugzilla.mozilla.org/show_bug.cgi?id=1791975

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