CVE-2021-23437

    Dashboard / Vulnerabilities / CVE-2021-23437

    CVE-2021-23437

    Published: 3 Sept 2021Last Modified: 7 Aug 2026

    Summary:

    Details: The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.

    References: https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNSG6VFXTAROGF7ACYLMAZNQV4EJ6I2C/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKRCL7KKAKOXCVD7M6WC5OKFGL4L3SJT/, https://pillow.readthedocs.io/en/stable/releasenotes/8.3.2.html, https://security.gentoo.org/glsa/202211-10, https://github.com/python-pillow/Pillow/commit/9e08eb8f78fdfd2f476e1b20b7cf38683754866b, https://snyk.io/vuln/SNYK-PYTHON-PILLOW-1319443

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- c28bf86b7e752a9257a0d4451ca878c1385db15c
    Fixed -8013f130a5077b238a4346b73e149432b180a8ea

    Affected versions

    8.3.1
    8.3.0

    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-2021-23437 | CVE-DB