Race condition in the chan_pjsip channel driver in Asterisk Open Source 12.x before…
Priority LOW 28CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Race condition in the chan_pjsip channel driver in Asterisk Open Source 12.x before 12.7.1 and 13.x before 13.0.1 allows remote attackers to cause a denial of service (assertion failure and crash) via a cancel request for a SIP session with a queued action to (1) answer a session or (2) send ringing.
Why it matters now
EPSS 0.03041 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2014-8415
- 2026-10-03 Alias added: GHSA-g56f-mq6j-ppcx
References
More Digium Asterisk vulnerabilities
- TI-2006-05256 Integer overflow in the get_input function in the Skinny channel driver (chan_skinny.c)… CVSS 2.0HIGH 7.5
- TI-2017-12542 An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older… CVSS 3.0HIGH 7.5
- TI-2023-27195 Asterisk susceptible to Denial of Service via DTLS Hello packets during call initiation CVSS 3.1HIGH 7.5
- TI-2017-13083 An issue was discovered in Asterisk 13.18.4 and older, 14.7.4 and older, 15.1.4 and… CVSS 3.0HIGH 7.5
- TI-2019-13459 An issue was discovered in manager.c in Sangoma Asterisk through 13.x, 16.x, 17.x and… CVSS 3.1HIGH 8.8
- TI-2018-05283 A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5… CVSS 3.0HIGH 7.5
Sources
- CVE-2014-8415 · CVE Program
- CVE-2014-8415 · NVD
- FIRST EPSS
- GHSA-g56f-mq6j-ppcx · GitHub Advisory Database · CC BY 4.0
- CVE-2014-8415 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences