CVE-2023-25751Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly.
Updated under an hour ago ()
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It affects mozilla firefox and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
- CVSS
- 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Oct 23, 2026
- First seen by InfoSec Signals
- Oct 23, 2026
Affected products
mozilla firefox mozilla:firefox | before 111.0 | NVD |
mozilla firefox_esr mozilla:firefox_esr | before 102.9 | NVD |
mozilla thunderbird mozilla:thunderbird | before 102.9 | NVD |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1814899issue-tracking, permissions-required, vendor-advisory
- https://www.mozilla.org/security/advisories/mfsa2023-09/vendor-advisory
- https://www.mozilla.org/security/advisories/mfsa2023-10/vendor-advisory
- https://www.mozilla.org/security/advisories/mfsa2023-11/vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.