CVE-2022-29190 — Pion DTLS is a Go implementation of Datagram Transport Layer Security

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 availabl

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
pion	dtls	< 2.1.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-05-20T23:55:10.000Z
• Last modified: 2025-04-23T18:23:25.844Z

09References

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