| Package | Affected versions | Patched versions |
|---|---|---|
| asterisk | = 12.0.0= 12.1.0= 12.1.1= 12.2.0= 12.3.0 |
The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device.
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