TI-2022-11733 Aliases CVE-2022-29190 GHSA-cm8f-h6j3-p25c

Header reconstruction method can be thrown into an infinite loop in Pion DTLS

MEDIUM 42CWE-835Published 2022-05-20 · Updated 2025-04-23

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-835.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01744 77th percentileScored 2026-11-07

Fix Fixed dtls (pion): 2.1.4github.com/pion/dtls (Go): 2.1.4+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
pion	dtls	before 2.1.4	2.1.4	Patch available	CNA
—	github.com/pion/dtls (Go)	before 2.1.4	2.1.4	Patch available	GHSA-cm8f-h6j3-p25c
—	github.com/pion/dtls/v2 (Go)	before 2.1.4	2.1.4	Patch available	GHSA-cm8f-h6j3-p25c

dtls Vendorpion Affected before 2.1.4 Fixed in 2.1.4 Patch available CNA
github.com/pion/dtls (Go) Vendor— Affected before 2.1.4 Fixed in 2.1.4 Patch available GHSA-cm8f-h6j3-p25c
github.com/pion/dtls/v2 (Go) Vendor— Affected before 2.1.4 Fixed in 2.1.4 Patch available GHSA-cm8f-h6j3-p25c

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:pion:dtls::::::::	before 2.1.4	Vulnerable	pion

cpe:2.3:a:pion:dtls:*:*:*:*:*:*:*:* Versions before 2.1.4 Vulnerable ·pion

Remediation

Fix · CNA dtls (pion) Fixed in 2.1.4
Fix · GHSA-cm8f-h6j3-p25c github.com/pion/dtls (Go) Fixed in 2.1.4 Advisory →
Fix · GHSA-cm8f-h6j3-p25c github.com/pion/dtls/v2 (Go) Fixed in 2.1.4 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2022-29190
2026-10-03 Alias added: GHSA-cm8f-h6j3-p25c

References

Patch 1

https://github.com/pion/dtls/commit/e0b2ce3592e8e7d73713ac67b363a2e192a4cecf

Advisory 3

Other 1

https://pkg.go.dev/vuln/GO-2022-0460

TI-2019-15006 handleIncomingPacket in conn.go in Pion DTLS before 1.5.2 lacks a check for application… CVSS 3.1CRITICAL 9.8
TI-2022-11765 Improper Certificate Validation in Pion DTLS CVSS 3.1HIGH 7.5
TI-2022-11732 Buffer for inbound DTLS fragments has no limit CVSS 3.1MEDIUM 5.3
TI-2026-21028 Pion DTLS uses random nonce generation with AES GCM ciphers risks leaking the authentication key CVSS 3.1MEDIUM 5.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences