GHSA-c3cw-c387-pj65

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    GHSA-c3cw-c387-pj65

    Published: 25 Aug 2021Last Modified: 8 Nov 2023

    Summary: Double free in crossbeam

    Details: Even if an element is popped from a queue, crossbeam would run its destructor inside the epoch-based garbage collector. This is a source of double frees. The flaw was corrected by wrapping elements inside queues in a ManuallyDrop.

    References: https://nvd.nist.gov/vuln/detail/CVE-2018-20996, https://github.com/crossbeam-rs/crossbeam-epoch/issues/82, https://github.com/crossbeam-rs/crossbeam-epoch, https://rustsec.org/advisories/RUSTSEC-2018-0009.html

    Affected packages

    Package

    Name: crossbeam

    Purl: pkg:cargo/crossbeam

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0.4.0
    Fixed -0.4.1

    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