CVEvulnerability

CVE-2025-1943

8.2 HIGH Published 2025-03-04 Modified 2026-06-17 Official page ↗

Status: Modified
Published: 2025-03-04
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Weaknesses: CWE-122

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 configurations

• mozilla firefox (< 136.0) • mozilla thunderbird (< 136.0)

Weakness · CWE (1)

CWE-122 Heap-based Buffer Overflow weakness

References

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

CVE-2025-1943

Description

Affected configurations

Related

Weakness · CWE (1)

References