CVE-2023-4577 | BDVDB-2026-211591 Detail

MozillaFirefox

Description#

When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

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=1847397
https://www.mozilla.org/security/advisories/mfsa2023-34/
https://www.mozilla.org/security/advisories/mfsa2023-36/
https://www.mozilla.org/security/advisories/mfsa2023-38/

Exploit#

No public exploit known

History#

Version 12023-09-11Record published in the CVE List.
Version 22025-12-18Most recent update recorded in the CVE List.