UBUNTU-CVE-2023-5173

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    UBUNTU-CVE-2023-5173

    Published: 28 Sept 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2023-5173
    Aliases:
    USN-6404-1

    Summary:

    Details: In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds write to privileged process memory. *This bug only affects Firefox if a non-standard preference allowing non-HTTPS Alternate Services (`network.http.altsvc.oe`) is enabled.* This vulnerability affects Firefox < 118.

    References: https://ubuntu.com/security/CVE-2023-5173, https://www.mozilla.org/en-US/security/advisories/mfsa2023-41/#CVE-2023-5173, https://www.mozilla.org/security/advisories/mfsa2023-41/, https://bugzilla.mozilla.org/show_bug.cgi?id=1823172, https://ubuntu.com/security/notices/USN-6404-1, https://www.cve.org/CVERecord?id=CVE-2023-5173

    Affected packages

    Package

    Name: mozjs52

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    52.3.1-0ubuntu3
    52.3.1-7fakesync1

    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
    UBUNTU-CVE-2023-5173 | CVE-DB