Answer in brief
CVE-2026-54909 records a Medium severity security vulnerability in Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute. The source record does not mark it as known exploited. 3 affected packages are mapped in the feed.
Answer in brief
CVE-2026-54909 records a Medium severity security vulnerability in Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute. The source record does not mark it as known exploited. 3 affected packages are mapped in the feed.
Update github.com/pion/stun/v3 to 3.1.5 if you use the affected versions. Test the change in a non-production environment first.
Local check
hol-guard supply-chain scanVulnerability describes the vulnerability class recorded for this advisory. The current record does not mark CVE-2026-54909 as known exploited; continue to monitor the source for status changes. The feed includes package mappings that can be checked against lockfiles and deployed manifests.
| Package | Affected range | Fixed version |
|---|---|---|
| github.com/pion/stungo | <=1.23.1 | Not reported |
| github.com/pion/stun/v2go | <=2.0.0 | Not reported |
| github.com/pion/stun/v3go | <=3.1.4 | 3.1.5 |
Fixed versions are reported by the source feed; confirm compatibility before updating.
Reported by GitHub Security Advisories (ghsa).
CVE-2026-54909 records a Medium severity security vulnerability in Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute. The source record does not mark it as known exploited. 3 affected packages are mapped in the feed.
The source record does not mark it as known exploited.
Check lockfiles and deployed manifests for github.com/pion/stun, github.com/pion/stun/v2, github.com/pion/stun/v3.
HOL Guard can help your team review package activity against supported protection paths.
Explore HOL GuardUpdate github.com/pion/stun/v3 to 3.1.5 if you use the affected versions. Test the change in a non-production environment first.
Local check
hol-guard supply-chain scanVulnerability describes the vulnerability class recorded for this advisory. The current record does not mark CVE-2026-54909 as known exploited; continue to monitor the source for status changes. The feed includes package mappings that can be checked against lockfiles and deployed manifests.
| Package | Affected range | Fixed version |
|---|---|---|
| github.com/pion/stungo | <=1.23.1 | Not reported |
| github.com/pion/stun/v2go | <=2.0.0 | Not reported |
| github.com/pion/stun/v3go | <=3.1.4 | 3.1.5 |
Fixed versions are reported by the source feed; confirm compatibility before updating.
Reported by GitHub Security Advisories (ghsa).
CVE-2026-54909 records a Medium severity security vulnerability in Pion STUN vulnerable to remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute. The source record does not mark it as known exploited. 3 affected packages are mapped in the feed.
The source record does not mark it as known exploited.
Check lockfiles and deployed manifests for github.com/pion/stun, github.com/pion/stun/v2, github.com/pion/stun/v3.
HOL Guard can help your team review package activity against supported protection paths.
Explore HOL Guard### Impact Remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute ### Patches Upgrade to v3.1.5 or later. This version includes this patch https://github.com/pion/stun/pull/278 which fixes the issue. ### Workarounds No work around; please upgrade to v3.1.5 or a newer version.
### Impact Remote denial of service via panic while parsing a malformed XOR-MAPPED-ADDRESS attribute ### Patches Upgrade to v3.1.5 or later. This version includes this patch https://github.com/pion/stun/pull/278 which fixes the issue. ### Workarounds No work around; please upgrade to v3.1.5 or a newer version.