CVE-2021-32558

PoC —

CVSS 3.1

7.5 high

EPSS

9%p95

Published

Jul 30, 2021 (Jul 30, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and Certified Asterisk before 16.8-cert10. If the IAX2 channel driver receives a packet that contains an unsupported media format, a crash can occur.

Vendors: digium debian
Products: asterisk, certified asterisk, debian linux
Weakness: CWE-74
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (9.1%)

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