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TI-2021-12232 Aliases CVE-2021-32558GHSA-xhjf-mf8w-q63p

An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1…

Priority MEDIUM 45CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.09223 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*13.0.0 to before 13.38.3; 16.0.0 to before 16.19.1; 17.0.0 to before 17.9.4; 18.0.0 to before 18.15.1VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:-:*:*:*:*:*:*16.8VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc1:*:*:*:*:*:*16.8 cert1-rc1VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc2:*:*:*:*:*:*16.8 cert1-rc2VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc3:*:*:*:*:*:*16.8 cert1-rc3VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc4:*:*:*:*:*:*16.8 cert1-rc4VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert2:*:*:*:*:*:*16.8 cert2VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert3:*:*:*:*:*:*16.8 cert3VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert4:*:*:*:*:*:*16.8 cert4VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc1:*:*:*:*:*:*16.8 cert4-rc1VulnerableDigium
  • cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* Versions 13.0.0 to before 13.38.3; 16.0.0 to before 16.19.1; 17.0.0 to before 17.9.4; 18.0.0 to before 18.15.1 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:-:*:*:*:*:*:* Versions 16.8 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc1:*:*:*:*:*:* Versions 16.8 cert1-rc1 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc2:*:*:*:*:*:* Versions 16.8 cert1-rc2 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc3:*:*:*:*:*:* Versions 16.8 cert1-rc3 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc4:*:*:*:*:*:* Versions 16.8 cert1-rc4 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert2:*:*:*:*:*:* Versions 16.8 cert2 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert3:*:*:*:*:*:* Versions 16.8 cert3 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4:*:*:*:*:*:* Versions 16.8 cert4 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc1:*:*:*:*:*:* Versions 16.8 cert4-rc1 Vulnerable ·Digium
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc2:*:*:*:*:*:*16.8 cert4-rc2VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc3:*:*:*:*:*:*16.8 cert4-rc3VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc4:*:*:*:*:*:*16.8 cert4-rc4VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert5:*:*:*:*:*:*16.8 cert5VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert6:*:*:*:*:*:*16.8 cert6VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert7:*:*:*:*:*:*16.8 cert7VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert8:*:*:*:*:*:*16.8 cert8VulnerableDigium
cpe:2.3:a:digium:certified_asterisk:16.8:cert9:*:*:*:*:*:*16.8 cert9VulnerableDigium
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc2:*:*:*:*:*:* Versions 16.8 cert4-rc2 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc3:*:*:*:*:*:* Versions 16.8 cert4-rc3 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc4:*:*:*:*:*:* Versions 16.8 cert4-rc4 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert5:*:*:*:*:*:* Versions 16.8 cert5 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert6:*:*:*:*:*:* Versions 16.8 cert6 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert7:*:*:*:*:*:* Versions 16.8 cert7 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert8:*:*:*:*:*:* Versions 16.8 cert8 Vulnerable ·Digium
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert9:*:*:*:*:*:* Versions 16.8 cert9 Vulnerable ·Digium
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-32558
  2. 2026-10-03 Alias added: GHSA-xhjf-mf8w-q63p

References

Exploit 1

Patch 3

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences