CVE-2021-29482

    Dashboard / Vulnerabilities / CVE-2021-29482

    CVE-2021-29482

    Published: 28 Apr 2021Last Modified: 9 Jul 2026

    Summary:

    Details: xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz container format may not terminate a loop provide malicous input. The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed file input to a reasonable size for their use case. The standard library had recently the same issue and got the CVE-2020-16845 allocated.

    References: https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27, https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -492fb8161cff03dd43fd938e40ecede6c6ffd8eb

    Affected versions

    v0.5.7
    v0.5.6
    v0.5.5
    v0.5.4
    v0.5.3
    v0.5.2
    v0.5.1
    v0.5

    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-2021-29482 | CVE-DB