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CVE-2026-113380

Denial of Service via FSM Queue Saturation in RingRTC

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.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Signal
Products
Ringrtc