CVE-2021-23191

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    CVE-2021-23191

    Published: 2 Mar 2022Last Modified: 8 Jul 2026

    Summary:

    Details: A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function image_load_jpeg() in image.cxx may result in denial of service.

    References: https://ubuntu.com/security/CVE-2021-23191, https://github.com/michaelrsweet/htmldoc/issues/415, https://bugzilla.redhat.com/show_bug.cgi?id=1967022, https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v1.9.12
    v1.9.11
    v1.9.10
    v1.9.9
    v1.9.8
    v1.9.7
    v1.9.6
    v1.9.5
    v1.9.4
    v1.9.3
    v1.9.2
    v1.9.1
    v1.9

    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-2021-23191 | CVE-DB