Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2023-4577

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.6%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2023-4577


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