[ CVE-2026-113380 · Published 20 Oct 2026 ]
Vulnerability in Signal RingRTC
CVSS 9.3
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Critical severity: CVSS 9.3
[ Description ]Official description
In the RingRTC library before 2.72.0 for Signal, a peer that saturates a call's FSM queue can interfere with the ability of a local hangup to tear the call (with its audio and perhaps also video track) down.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.