CVE-2025-5272

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-5272
Memory safety bugs present in Firefox 138 and Thunderbird 138. 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 and Thunderbird < 139.

7.3 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1726254%2C1742738%2C1960121 Broken Link
https://www.mozilla.org/security/advisories/mfsa2025-42/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-45/
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
History

11 Jun 2025, 12:15

Type Values Removed Values Added
Summary (en) Memory safety bugs present in Firefox 138 and Thunderbird 138. 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. (en) Memory safety bugs present in Firefox 138 and Thunderbird 138. 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 and Thunderbird < 139.
References
  • () https://www.mozilla.org/security/advisories/mfsa2025-45/ -

28 May 2025, 18:35

Type Values Removed Values Added
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
First Time Mozilla firefox
Mozilla thunderbird
Mozilla
References () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1726254%2C1742738%2C1960121 - () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1726254%2C1742738%2C1960121 - Broken Link
References () https://www.mozilla.org/security/advisories/mfsa2025-42/ - () https://www.mozilla.org/security/advisories/mfsa2025-42/ - Vendor Advisory

28 May 2025, 15:01

Type Values Removed Values Added
Summary
  • (es) Errores de seguridad de memoria presentes en Firefox 138 y Thunderbird 138. Algunos de estos errores mostraron evidencia de corrupción de memoria y presumimos que, con suficiente esfuerzo, algunos de ellos podrían haberse explotado para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox anterior a la versión 139.

27 May 2025, 15:15

Type Values Removed Values Added
CWE CWE-787
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.3

27 May 2025, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-05-27 13:15

Updated : 2025-06-11 12:15

NVD link : CVE-2025-5272

Mitre link : CVE-2025-5272

CVE.ORG link : CVE-2025-5272

JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-787

Out-of-bounds Write