CVE-2025-3034

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-3034
Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 was fixed in Firefox 137 and Thunderbird 137.

8.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1894100%2C1934086%2C1950360 Broken Link Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2025-20/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-23/ Vendor Advisory
Configurations

Configuration 1 (hide)

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

13 Apr 2026, 15:16

Type Values Removed Values Added
Summary (en) Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 < 137 and Thunderbird < 137. (en) Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 was fixed in Firefox 137 and Thunderbird 137.

07 Apr 2025, 13:30

Type Values Removed Values Added
First Time Mozilla firefox
Mozilla thunderbird
Mozilla
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
References () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1894100%2C1934086%2C1950360 - () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1894100%2C1934086%2C1950360 - Broken Link, Issue Tracking
References () https://www.mozilla.org/security/advisories/mfsa2025-20/ - () https://www.mozilla.org/security/advisories/mfsa2025-20/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-23/ - () https://www.mozilla.org/security/advisories/mfsa2025-23/ - Vendor Advisory
CWE CWE-787

02 Apr 2025, 15:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 8.1
Summary
  • (es) Errores de seguridad de memoria presentes en Firefox 136 y Thunderbird 136. Algunos de estos errores mostraron evidencia de corrupción de memoria y presumimos que, con el esfuerzo suficiente, algunos de ellos podrían haberse explotado para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox 137 y Thunderbird 137.

01 Apr 2025, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-01 13:15

Updated : 2026-04-13 15:16

NVD link : CVE-2025-3034

Mitre link : CVE-2025-3034

CVE.ORG link : CVE-2025-3034

JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-787

Out-of-bounds Write