CVE-2025-11931 Affecting wolfssl package, versions <5.9.1-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.03% (7th percentile)

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  • Snyk IDSNYK-ALPINE323-WOLFSSL-17037488
  • published29 May 2026
  • disclosed21 Nov 2025

Introduced: 21 Nov 2025

CVE-2025-11931  (opens in a new tab)

How to fix?

Upgrade Alpine:3.23 wolfssl to version 5.9.1-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wolfssl package and not the wolfssl package as distributed by Alpine. See How to fix? for Alpine:3.23 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1