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.
Published: 2026-10-20
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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 : Received

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

Modified: 2026-10-20T14:16:58.287

Link: CVE-2026-113380

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T07:00:13Z

Weaknesses
  • CWE-754

    Improper Check for Unusual or Exceptional Conditions