CVE-2022-29190: Header reconstruction method can be thrown into an infinite loop in Pion DTLS

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-05-21 · updated 2026-06-17
Weakness: CWE-835

Description

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, an attacker can send packets that sends Pion DTLS into an infinite loop when processing. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

Affected products

pion dtls: before 2.1.4 — fixed in 2.1.4

How to fix

Upgrade to a fixed version: pion dtls 2.1.4. Check the vendor advisory for mitigations.

References

https://github.com/pion/dtls/commit/e0b2ce3592e8e7d73713ac67b363a2e192a4cecf
https://github.com/pion/dtls/releases/tag/v2.1.4
https://github.com/pion/dtls/security/advisories/GHSA-cm8f-h6j3-p25c
https://github.com/pion/dtls/commit/e0b2ce3592e8e7d73713ac67b363a2e192a4cecf
https://github.com/pion/dtls/releases/tag/v2.1.4
https://github.com/pion/dtls/security/advisories/GHSA-cm8f-h6j3-p25c

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