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    CVE-2019-11922

    A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.

    Published:Jul 25, 2019
    Last Modified:Nov 21, 2024
    EPS:Jul 25, 2019
    EPSS Score:0.00837
    CVSS Score:8.1

    Affected Products

    Vendor
    Facebook
    Product
    Zstandard

    Exploits

    No exploit reference

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00008.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00062.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00078.html
    https://github.com/facebook/zstd/pull/1404/commits/3e5cdf1b6a85843e991d7d10f6a2567c15580da0
    https://usn.ubuntu.com/4108-1/
    https://www.facebook.com/security/advisories/cve-2019-11922
    https://www.oracle.com/security-alerts/cpuoct2020.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00008.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00062.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00078.html
    https://github.com/facebook/zstd/pull/1404/commits/3e5cdf1b6a85843e991d7d10f6a2567c15580da0
    https://usn.ubuntu.com/4108-1/
    https://www.facebook.com/security/advisories/cve-2019-11922
    https://www.oracle.com/security-alerts/cpuoct2020.html

    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