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Critical 9.3Published Oct 20, 2026
CVE-2026-113380In 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 trac…
Updated under an hour ago ()
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It affects Signal RingRTC. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.29%, higher than 20% of scored CVEs.
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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
- 9.3 CRITICAL (v4.0, CNA)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
- Weakness (CWE)
- CWE-754
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.29% (percentile 20)
- Assigned by
- mitre
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 20, 2026
Affected products
Signal RingRTC signal:ringrtc (from the name) | before 2.72.0 | CNA record |
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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.