CVE-2023-5174

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    CVE-2023-5174

    Published: 27 Sept 2023Last Modified: 11 Mar 2026

    Summary:

    Details: If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-after-free and a potentially exploitable crash. *This bug only affects Firefox on Windows when run in non-standard configurations (such as using `runas`). Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

    References: , https://www.mozilla.org/security/advisories/mfsa2023-41/, https://www.mozilla.org/security/advisories/mfsa2023-42/, https://www.mozilla.org/security/advisories/mfsa2023-43/, https://bugzilla.mozilla.org/show_bug.cgi?id=1848454

    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-2023-5174 | CVE-DB