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PRIOn knowledge basePRION:CVE-2021-26717HistoryFeb 18, 2021 - 8:15 p.m.
Design/Logic Flaw
2021-02-1820:15:00
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An issue was discovered in Sangoma Asterisk 16.x before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6. When re-negotiating for T.38, if the initial remote response was delayed just enough, Asterisk would send both audio and T.38 in the SDP. If this happened, and the remote responded with a declined T.38 stream, then Asterisk would crash.
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