CVE-2022-22740

State: Published
Severity: 8.8 High
Published: Dec 22, 2022
Updated: Apr 16, 2025
Reserved: Jan 7, 2022

Description

Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Firefox ESRMozilla	before 91.5Affected
FirefoxMozilla	before 96Affected
ThunderbirdMozilla	before 91.5Affected

References

https://www.mozilla.org/security/advisories/mfsa2022-01/
https://www.mozilla.org/security/advisories/mfsa2022-02/
https://www.mozilla.org/security/advisories/mfsa2022-03/
https://bugzilla.mozilla.org/show_bug.cgi?id=1742334

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