CVE-2025-1943

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-1943
Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 < 136 and Thunderbird < 136.

8.2 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1869650%2C1938451%2C1940326%2C1944052%2C1944063%2C1947281 Broken Link
https://www.mozilla.org/security/advisories/mfsa2025-14/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-17/ Vendor Advisory
Configurations

Configuration 1 (hide)

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

03 Apr 2025, 13:30

Type Values Removed Values Added
First Time Mozilla
Mozilla firefox
Mozilla thunderbird
CPE cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
References () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1869650%2C1938451%2C1940326%2C1944052%2C1944063%2C1947281 - () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1869650%2C1938451%2C1940326%2C1944052%2C1944063%2C1947281 - Broken Link
References () https://www.mozilla.org/security/advisories/mfsa2025-14/ - () https://www.mozilla.org/security/advisories/mfsa2025-14/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-17/ - () https://www.mozilla.org/security/advisories/mfsa2025-17/ - Vendor Advisory

05 Mar 2025, 00:15

Type Values Removed Values Added
References
  • () https://www.mozilla.org/security/advisories/mfsa2025-17/ -
Summary
  • (es) Vulnerabilidades de seguridad en la gestión de memoria presentes en Firefox 135 y Thunderbird 135. Algunas de estas vulnerabilidades muestran evidencia de corrupción en la memoria y se presume que, con suficiente esfuerzo, algunas de ellas podrían ser explotadas para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox &lt; 136.
Summary (en) Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 < 136. (en) Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 < 136 and Thunderbird < 136.

04 Mar 2025, 15:15

Type Values Removed Values Added
CWE CWE-122
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 8.2

04 Mar 2025, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-03-04 14:15

Updated : 2025-04-03 13:30

NVD link : CVE-2025-1943

Mitre link : CVE-2025-1943

CVE.ORG link : CVE-2025-1943

JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-122

Heap-based Buffer Overflow