UBUNTU-CVE-2023-4056

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    UBUNTU-CVE-2023-4056

    Published: 2 Aug 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2023-4056

    Summary:

    Details: Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

    References: https://ubuntu.com/security/CVE-2023-4056, https://www.mozilla.org/en-US/security/advisories/mfsa2023-29/#CVE-2023-4056, https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/#CVE-2023-4056, https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4056, https://bugzilla.mozilla.org/buglist.cgi?bug_id=1820587%2C1824634%2C1839235%2C1842325%2C1843847, https://www.mozilla.org/security/advisories/mfsa2023-30/, https://www.mozilla.org/security/advisories/mfsa2023-31/, https://www.mozilla.org/security/advisories/mfsa2023-29/, https://ubuntu.com/security/notices/USN-6267-1, https://ubuntu.com/security/notices/USN-6333-1, https://www.cve.org/CVERecord?id=CVE-2023-4056

    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-2023-4056 | CVE-DB