CVE-2022-45406

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.

Affected Platforms

Weakness Type

CWE-416, CWE-416

References

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