CVE-2023-4049

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    CVE-2023-4049

    Published: 1 Aug 2023Last Modified: 1 Jul 2026

    Summary:

    Details: Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

    References: https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html, https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html, https://www.mozilla.org/security/advisories/mfsa2023-31/, https://www.debian.org/security/2023/dsa-5464, https://www.debian.org/security/2023/dsa-5469, https://www.mozilla.org/security/advisories/mfsa2023-29/, https://www.mozilla.org/security/advisories/mfsa2023-30/, https://bugzilla.mozilla.org/show_bug.cgi?id=1842658

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2023-4049 | CVE-DB