USN-6367-1

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    USN-6367-1

    Published: 14 Sept 2023Last Modified: 22 Apr 2026

    Summary: firefox vulnerability

    Details: It was discovered that Firefox did not properly manage memory when handling WebP images. If a user were tricked into opening a webpage containing malicious WebP image file, an attacker could potentially exploit these to cause a denial of service or execute arbitrary code. (CVE-2023-4863)

    References: https://ubuntu.com/security/notices/USN-6367-1, https://ubuntu.com/security/CVE-2023-4863

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build2-0ubuntu0.20.04.1?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -117.0.1+build2-0ubuntu0.20.04.1

    Affected versions

    69.0.3+build1-0ubuntu1

    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
    USN-6367-1 | CVE-DB