CVE-2023-4577
- Source
- https://cve.org/CVERecord?id=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
- Withdrawn
- 2026-01-27T04:20:03.775018Z
- Published
- 2023-09-11T09:15:09Z
- Modified
- 2026-01-27T04:20:03.775018Z
- 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
UpdateRegExpStaticsattempted to accessinitialStringHeapit 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