VULNERABILITY INTELLIGENCE

CVE-2025-1942

CVSS score9.8 CRITICAL
EPSS probability0.48%
CISA KEVNot currently listed
Published2025-03-04
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

When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string. This vulnerability was fixed in Firefox 136 and Thunderbird 136.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-908

Primary references