CVE-2023-4577

Source
https://nvd.nist.gov/vuln/detail/CVE-2023-4577
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4577.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-4577
Downstream
Related
Published
2023-09-11T09:15:09Z
Modified
2025-08-09T20:01:27Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages