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.
History

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Signal
Signal ringrtc
Vendors & Products Signal
Signal ringrtc

Tue, 20 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
References

Tue, 20 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Title Denial of Service via FSM Queue Saturation in RingRTC

Tue, 20 Oct 2026 04:45:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-754
References
Metrics cvssV4_0

{'score': 9.3, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-10-20T04:25:10.127Z

Updated: 2026-10-20T14:38:10.315Z

Reserved: 2026-10-20T04:25:09.736Z

Link: CVE-2026-113380

cve-icon Vulnrichment

Updated: 2026-10-20T13:47:13.891Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T05:16:54.083

Modified: 2026-10-20T20:06:37.150

Link: CVE-2026-113380

cve-icon Redhat

No data.