Alexat

**Name of the Vulnerable Software and Affected Versions** Asterisk versions prior to 18.26.4 Asterisk versions prior to 18.9-cert17 **Description** Asterisk, an open source private branch exchange and telephony toolkit, is susceptible to resource exhaustion due to a lack of session termination. This can lead to leaks of RTP UDP ports and internal resources. **Recommendations** Update Asterisk to version 18.26.4 or later. Update Asterisk to version 18.9-cert17 or later.