VULNERABILITY INTELLIGENCE

CVE-2025-1943

CVSS score8.2 HIGH
EPSS probability0.43%
CISA KEVNot currently listed
Published2025-03-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-122

Primary references