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GoogleOSV:CVE-2021-26713HistoryFeb 19, 2021 - 8:15 p.m.
CVE-2021-26713
2021-02-1920:15:13
Google
osv.dev
7
asterisk
buffer overflow
webrtc
crash
authenticated
hold/unhold
A stack-based buffer overflow in res_rtp_asterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession. This is caused by a signedness comparison mismatch.
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