CVE-2021-32840

    Dashboard / Vulnerabilities / CVE-2021-32840

    CVE-2021-32840

    Published: 26 Jan 2022Last Modified: 20 Oct 2026

    Summary:

    Details: SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.

    References: https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3, https://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc, https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -1b1ab013ce1df02d8f27cf582197759c614d9126

    Affected versions

    v1.3.2
    v1.3.1
    v1.3.0

    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-2021-32840 | CVE-DB