CVE-2025-5268

Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. 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 < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Configurations

Configuration 1 (hide)

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

History

23 Sep 2025, 15:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 6.5
v2 : unknown
v3 : 8.1
CWE CWE-77 CWE-119

11 Jun 2025, 14:51

Type Values Removed Values Added
New CVE

Information

Published : 2025-05-27 13:15

Updated : 2025-09-23 15:15


NVD link : CVE-2025-5268

Mitre link : CVE-2025-5268

CVE.ORG link : CVE-2025-5268


JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer