VULNERABILITY INTELLIGENCE

CVE-2025-11931

CVSS score8.2 HIGH
EPSS probability0.34%
CISA KEVNot currently listed
Published2025-11-21
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Description

Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt. This issue is hit specifically with a call to the function wc_XChaCha20Poly1305_Decrypt() which is not used with TLS connections, only from direct calls from an application.

Weakness classification

  • facts@wolfssl.com: CWE-191

Primary references