CVE-2026-113380

State: Published
Severity: 9.3 Critical
Published: Oct 20, 2026
Updated: Oct 31, 2026
Reserved: Oct 20, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:N/SA:N/S:P	mitre

Weaknesses

CWE-754 Improper Check for Unusual or Exceptional Conditions

Affected Products

Product	Versions
RingRTCSignal	before 2.72.0Affected

References

https://github.com/signalapp/ringrtc/commit/4b1b6fa53c9f30c87c8ea78e44675d4a13e1e4d3
https://github.com/signalapp/ringrtc/compare/v2.71.0...v2.72.0
https://github.com/Imahian/Notes/tree/main/docs/CVEs/CVE-2026-113380
https://piefed.world/post/1503394

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