Vulnerability details
CVE-2026-113380
Signal RingRTC
CVSS 4.0
9.3Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (mitre) | 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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Signal | RingRTC | v < 2.72.0 | CVEProject cvelistV5 (CNA) |
References and advisories
4
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Details
- Published
- 2026-10-20
- Last updated
- 2026-10-31
- State
- Published
- Assigner (CNA)
- mitre
- Kolun priority
- 29 · Low
Exploit prediction (EPSS)
0.89%
Probability of exploitation in 30 days
59.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-754Improper Check for Unusual or Exceptional Conditions