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.
CVE-2024-5700
CVSS base score
7.0 (v3.1)
Severity
HIGH
Attack vector
Local
Weakness
CWE-786, CWE-788
Last modified
November 3, 2026
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
mozilla firefox
mozilla thunderbird
References
- bugzilla.mozilla.org Issue Tracking
- lists.debian.org Mailing List
- lists.debian.org Mailing List
- www.mozilla.org Vendor Advisory
- www.mozilla.org Vendor Advisory
- www.mozilla.org Vendor Advisory
- bugzilla.mozilla.org Issue Tracking
- lists.debian.org Mailing List
- lists.debian.org Mailing List
- www.mozilla.org Vendor Advisory