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CVE-2025-1943

nvd nist
Published: Mar 4, 2025Modified: Apr 13, 2026

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8.2
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Exploitability: 3.9 / Impact: 4.2
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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 was fixed in Firefox 136 and Thunderbird 136.

Affected (2)

Mozilla
2 products
Firefox
Thunderbird
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Firefox
Before 136.0
Thunderbird
Before 136.0

Related CWEs

CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (3)

Source: security@mozilla.org
Broken Link
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory

Timeline

No history available yet.