CVE-2026-54909
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductGithub.com/pion/stun/v3
PublishedJul 31, 2026
First seenJul 31, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- github.com/pion/stun/v33.1.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/pion/stun/v3Go | v < 3.1.5 | 3.1.5 |
| github.com/pion/stun/v2Go | v ≤ 2.0.0 | — |
| github.com/pion/stunGo | v ≤ 1.23.1 | — |
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