CVE-2026-113380 PUBLISHED

Assigner: mitre
Reserved: 20.10.2026 Published: 20.10.2026 Updated: 20.10.2026

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Signal
Product	RingRTC
Versions	Default: unaffected affected from 0 to 2.72.0 (excl.)

References

https://github.com/signalapp/ringrtc/commit/4b1b6fa53c9f30c87c8ea78e44675d4a13e1e4d3
https://github.com/signalapp/ringrtc/compare/v2.71.0...v2.72.0

Problem Types

CWE-754 Improper Check for Unusual or Exceptional Conditions CWE