Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11.
CVE-2024-5700
Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
Assessment
- CVSS
- 7 (v3.1)
- Severity
- High
- EPSS
- 0.44% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 11 June 2024
- Last updated
- 4 November 2026
- Affected
- Mozilla · Firefox · Firefox ESR · Thunderbird
- Assigner
- mozilla
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
At the source
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1862809%2C1889355%2C1893388%2C1895123
- https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html
- https://www.mozilla.org/security/advisories/mfsa2024-25/
- https://www.mozilla.org/security/advisories/mfsa2024-26/
- https://www.mozilla.org/security/advisories/mfsa2024-28/
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