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TI-2026-39680 Aliases CVE-2026-54908GHSA-wg4g-wm44-ch5j

Pion DTLS: Denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message

Priority LOW 29CWE-125Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-248.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00542 45th percentileScored 2026-11-07
Fix Fixed dtls (pion): 3.1.4github.com/pion/dtls/v3 (Go): 3.1.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
piondtlsbefore 3.1.43.1.4Patch availableCNA
—github.com/pion/dtls/v3 (Go)before 3.1.43.1.4Patch availableGHSA-wg4g-wm44-ch5j
  • dtls Vendorpion Affected before 3.1.4 Fixed in 3.1.4 Patch available CNA
  • github.com/pion/dtls/v3 (Go) Vendor— Affected before 3.1.4 Fixed in 3.1.4 Patch available GHSA-wg4g-wm44-ch5j

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:pion:dtls:*:*:*:*:*:*:*:*——pion
  • cpe:2.3:a:pion:dtls:*:*:*:*:*:*:*:* Versions — — ·pion

Remediation

  • Fix · CNA dtls (pion) Fixed in 3.1.4
  • Fix · GHSA-wg4g-wm44-ch5j github.com/pion/dtls/v3 (Go) Fixed in 3.1.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-54908
  2. 2026-10-03 Alias added: GHSA-wg4g-wm44-ch5j

References

Advisory 1

Other 5

  • 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-2022-11733 Header reconstruction method can be thrown into an infinite loop in Pion DTLS CVSS 3.1HIGH 7.5
  • TI-2025-31220 Pion Interceptor's improper RTP padding handling allows remote crash for SFU users (DoS) CVSS 3.1HIGH 7.5
  • 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-2026-39681 Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute CVSS 3.1MEDIUM 5.3
See all 7 →

Sources

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