CVE-2023-4577 (published 2023-09-11T08:01:02.684Z)
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.
Affected products: Vendor: Mozilla
Product: Firefox
Versions: unspecified