CVE-2023-4577
CVSS 3.1 Score 6.5 of 10 (medium)
Details
Published Sep 11, 2023
Updated: Sep 13, 2023
Summary
CVE-2023-4577 is a vulnerability affecting Firefox versions below 117, Firefox ESR below 115.2, and Thunderbird below 115.2. The issue arises from `UpdateRegExpStatics` reaching out to `initialStringHeap`, which might have been already garbage collected before the function's entry. This condition could potentially trigger an exploitable crash.
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