CVE-2021-26717

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

published February 18, 2021

CVSS
—
EPSS
2%
Percentile
82.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02204 · 82.4th percentile
Published
2021-02-18T19:39Z
EPSS history
Timeline
  • 18 FEB 19:39Z
    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
    cvelistv5