UBUNTU-CVE-2019-7317

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    UBUNTU-CVE-2019-7317

    Published: 4 Feb 2019Last Modified: 18 Aug 2026
    Upstream:
    CVE-2019-7317
    Aliases:
    USN-3962-1
    USN-3991-1
    USN-3997-1

    Summary:

    Details: png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.

    References: https://ubuntu.com/security/CVE-2019-7317, https://ubuntu.com/security/notices/USN-3962-1, https://www.mozilla.org/en-US/security/advisories/mfsa2019-13/#CVE-2019-7317, https://ubuntu.com/security/notices/USN-3991-1, https://www.mozilla.org/en-US/security/advisories/mfsa2019-15/#CVE-2019-7317, https://ubuntu.com/security/notices/USN-3997-1, https://ubuntu.com/security/notices/USN-4080-1, https://ubuntu.com/security/notices/USN-4083-1, https://www.cve.org/CVERecord?id=CVE-2019-7317, https://ubuntu.com/security/notices/USN-8639-1

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/firefox?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -67.0+build2-0ubuntu0.16.04.1

    Affected versions

    41.0.2+build2-0ubuntu1

    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