CVE-2026-54908: Pion DTLS: Denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message

unknownCVE-2026-54908

CSIRTS triage

vendor: Pion product: Pion DTLS Denial of service

What: A denial of service vulnerability exists due to panic while parsing a crafted ECDHE_PSK ServerKeyExchange message.
Who is affected: Deployments of Pion DTLS.
Urgency: Remediation urgency is unknown as the severity is not rated and exploitation status is unclear.
Action: Monitor for updates from Pion regarding this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: unknown
Published: 2026-07-02
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54908

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-549080.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-54908	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownCVE-2026-54908: Pion DTLS is a Go implementation of Datagram Transport Layer Security. Versions prior to 3.1.4…nvd

Recent advisories for Pion DTLS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-54908: Pion DTLS is a Go implementation of Datagram Transport Layer Security. Versions prior to 3.1.4…nvd · 2026-07-01