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CVE-2021-26713

Published: Feb 19, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://downloads.asterisk.org/pub/security/

x_refsource_MISC

https://downloads.asterisk.org/pub/security/AST-2021-004.html

x_refsource_MISC

https://issues.asterisk.org/jira/browse/ASTERISK-29205

x_refsource_MISC

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