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MitreCVELIST:CVE-2021-26717HistoryFeb 18, 2021 - 7:39 p.m.
CVE-2021-26717
2021-02-1819:39:46
mitre
www.cve.org
3
sangoma asterisk
cve-2021-26717
remote attackers
system crash
t.38
sdp
EPSS
0.002
Percentile
56.2%
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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