VulnerabilityAwaiting Analysis

CVE-2026-54909

Prior to 3.1.3, XORMappedAddress.GetFromAs can panic while parsing a malformed short XOR-MAPPED-ADDRESS attribute in STUN or ICE Binding-response parsing paths, allowing remote denial of service.

MEDIUM 5.3EPSS 0.37%

Does this matter?

Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.

Description

pion/stun is a Go implementation of STUN. Prior to 3.1.3, XORMappedAddress.GetFromAs can panic while parsing a malformed short XOR-MAPPED-ADDRESS attribute in STUN or ICE Binding-response parsing paths, allowing remote denial of service. This issue is fixed in version 3.1.3.

CVSS 3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS: 0.37% probability · 31th percentile
CISA KEV: Not listed
Weakness: CWE-20
Source: security-advisories@github.com

References

https://github.com/pion/stun/commit/fa9f074a33a8059c76c960b1fbee39f308002423
https://github.com/pion/stun/pull/278
https://github.com/pion/stun/releases/tag/v3.1.3
https://github.com/pion/stun/security/advisories/GHSA-34rh-wp3j-6cxc

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.