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.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1791975

https://www.mozilla.org/security/advisories/mfsa2022-49/

https://www.mozilla.org/security/advisories/mfsa2022-48/

https://www.mozilla.org/security/advisories/mfsa2022-47/

Details