CVE-2021-32558

    Dashboard / Vulnerabilities / CVE-2021-32558

    CVE-2021-32558

    Published: 30 Jul 2021Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: https://lists.debian.org/debian-lts-announce/2021/08/msg00005.html, https://www.debian.org/security/2021/dsa-4999, http://packetstormsecurity.com/files/163639/Asterisk-Project-Security-Advisory-AST-2021-008.html, http://seclists.org/fulldisclosure/2021/Jul/49, https://downloads.asterisk.org/pub/security/AST-2021-008.html, https://issues.asterisk.org/jira/browse/ASTERISK-29392

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 85335355efb2d7914a1fe20ed31afcef15fd210c
    Fixed -4b05b9b4a8472c8f5703d53d29f692c04c1fce98

    Affected versions

    16.8-NA

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-32558 | CVE-DB