CVE-2025-11715

Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*

History

16 Oct 2025, 13:41

Type Values Removed Values Added
First Time Mozilla thunderbird
Mozilla
Mozilla firefox
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
References () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1983838%2C1987624%2C1988244%2C1988912%2C1989734%2C1990085%2C1991899 - () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1983838%2C1987624%2C1988244%2C1988912%2C1989734%2C1990085%2C1991899 - Broken Link, Issue Tracking
References () https://www.mozilla.org/security/advisories/mfsa2025-81/ - () https://www.mozilla.org/security/advisories/mfsa2025-81/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-83/ - () https://www.mozilla.org/security/advisories/mfsa2025-83/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-84/ - () https://www.mozilla.org/security/advisories/mfsa2025-84/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-85/ - () https://www.mozilla.org/security/advisories/mfsa2025-85/ - Vendor Advisory

15 Oct 2025, 14:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 8.8
CWE CWE-119

14 Oct 2025, 13:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-10-14 13:15

Updated : 2025-10-16 13:41


NVD link : CVE-2025-11715

Mitre link : CVE-2025-11715

CVE.ORG link : CVE-2025-11715


JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer