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CVE PROGRAM SOURCE RECORDUnscored

CVE-2023-4577

Memory corruption in JIT UpdateRegExpStatics

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • unspecified to < 117affected

Mozilla Firefox ESR

  • unspecified to < 115.2affected

Mozilla Thunderbird

  • unspecified to < 115.2affected

References