CVE-2026-54908 Pion DTLS: Denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message
A remote attacker can cause a denial of service by sending a crafted ECDHE_PSK ServerKeyExchange message that triggers a panic in the Pion DTLS library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-54908?
CVE-2026-54908 is a medium-severity denial of service vulnerability in pion dtls, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-54908?
3 open source packages ship an affected version, including github.com/pion/dtls/v3.
| Package | Affected | Fixed in |
|---|---|---|
github.com/pion/dtls/v3 Go | All versions | 3.1.4 |
github.com/pion/dtls/v3 Go | All versions | 3.1.4 |
github.com/pion/dtls/v3 Go | All versions | 3.1.4 |
How do I fix CVE-2026-54908?
Upgrade github.com/pion/dtls/v3 to 3.1.4 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-54908 being exploited?
There is no known exploitation of CVE-2026-54908 in the wild and no public exploit code.
Sources
Also known as AZL-92112, DEBIAN-CVE-2026-54908, ECHO-7afe-e0de-b808, GHSA-wg4g-wm44-ch5j, GO-2026-6165, MINI-23cg-qqhp-2j3f and 26 more.