UBUNTU-CVE-2018-5092

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    UBUNTU-CVE-2018-5092

    Published: 23 Jan 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-5092
    Aliases:
    USN-3544-1

    Summary:

    Details: A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations. This vulnerability affects Firefox < 58.

    References: https://ubuntu.com/security/CVE-2018-5092, https://www.mozilla.org/en-US/security/advisories/mfsa2018-02/, https://ubuntu.com/security/notices/USN-3544-1, https://www.cve.org/CVERecord?id=CVE-2018-5092

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build6-0ubuntu0.14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -58.0+build6-0ubuntu0.14.04.1

    Affected versions

    24.0+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