VULNERABILITY INTELLIGENCE

CVE-2025-0243

CVSS score5.1 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2025-01-07
Last modified2026-10-05
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references