UBUNTU-CVE-2019-11922

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    UBUNTU-CVE-2019-11922

    Published: 25 Jul 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-11922

    Summary:

    Details: 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.

    References: https://ubuntu.com/security/CVE-2019-11922, https://github.com/facebook/zstd/pull/1404/commits/3e5cdf1b6a85843e991d7d10f6a2567c15580da0, https://www.facebook.com/security/advisories/cve-2019-11922, https://ubuntu.com/security/notices/USN-4108-1, https://ubuntu.com/security/notices/USN-5593-1, https://www.cve.org/CVERecord?id=CVE-2019-11922

    Affected packages

    Package

    Name: libzstd

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-1~ubuntu0.16.04.1+esm2?arch=source&distro=esm-infra/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.3.1+dfsg-1~ubuntu0.16.04.1+esm2

    Affected versions

    0.4.5-1

    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