| Package | Affected versions | Patched versions |
|---|---|---|
| asterisk | ≥ 12.0.0, < 12.7.1≥ 13.0.0, < 13.0.1 | 12.7.113.0.1 |
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.
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