CVE-2026-54908

Pion DTLS: Denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message

State: Published
Severity: 6.3 Medium
Published: Jul 1, 2026
Updated: Jul 2, 2026
Reserved: Jun 16, 2026

Description

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Versions prior to 3.1.4 are vulnerable to Remote Denial of Service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message. This issue has been fixed in version 3.1.4.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-125 Out-of-bounds Read
CWE-248 Uncaught Exception

Affected Products

Product	Versions
dtlspion	< 3.1.4Affected

References

https://github.com/pion/dtls/security/advisories/GHSA-wg4g-wm44-ch5j
https://github.com/pion/dtls/pull/839

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