VULNERABILITY INTELLIGENCE

CVE-2021-32558

CVSS score7.5 HIGH

EPSS probability9.22%

CISA KEVNot currently listed

Published2021-07-30

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

nvd@nist.gov: CWE-74

Primary references

cve@mitre.org — Patch, Third Party Advisory, VDB Entry
cve@mitre.org — Mailing List, Patch, Third Party Advisory
cve@mitre.org — Patch, Vendor Advisory
cve@mitre.org — Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.org — Mailing List, Third Party Advisory
cve@mitre.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory