GHSA-9hx2-hgq2-2g4f

    Dashboard / Vulnerabilities / GHSA-9hx2-hgq2-2g4f

    GHSA-9hx2-hgq2-2g4f

    Published: 29 Mar 2021Last Modified: 9 Oct 2024

    Summary: Regular Expression Denial of Service (ReDoS) in Pillow

    Details: An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-25292, https://github.com/python-pillow/Pillow/commit/3bce145966374dd39ce58a6fc0083f8d1890719c, https://github.com/python-pillow/Pillow/commit/521dab94c7ab72b037bd9a83e9663401e0fd2cee, https://github.com/python-pillow/Pillow/commit/6207b44ab1ff4a91d8ddc7579619876d0bb191a4, https://github.com/advisories/GHSA-9hx2-hgq2-2g4f, https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-38.yaml, https://github.com/python-pillow/Pillow, https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html, https://security.gentoo.org/glsa/202107-33

    Affected packages

    Package

    Name: pillow

    Purl: pkg:pypi/pillow

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 5.1.0
    Fixed -8.1.1

    Affected versions

    5.1.0

    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
    GHSA-9hx2-hgq2-2g4f | CVE-DB