VULNERABILITY INTELLIGENCE

CVE-2025-0247

CVSS score9.8 CRITICAL
EPSS probability10.61%
CISA KEVNot currently listed
Published2025-01-07
Last modified2026-10-05
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 and Thunderbird 134.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references