GHSA-3xv8-3j54-hgrp

    Dashboard / Vulnerabilities / GHSA-3xv8-3j54-hgrp

    GHSA-3xv8-3j54-hgrp

    Published: 3 Nov 2021Last Modified: 6 Jun 2025

    Summary: Out-of-bounds read in Pillow

    Details: In `libImaging/PcxDecode.c` in Pillow before 7.1.0, an out-of-bounds read can occur when reading PCX files where `state->shuffle` is instructed to read beyond `state->buffer`.

    References: https://nvd.nist.gov/vuln/detail/CVE-2020-10378, https://github.com/python-pillow/Pillow/issues/4750, https://github.com/python-pillow/Pillow/pull/4538, https://github.com/python-pillow/Pillow/commit/124f4bb591e16212605d0e41c413ed53e242cba2, https://github.com/python-pillow/Pillow/commit/6a83e4324738bb0452fbe8074a995b1c73f08de7#diff-9478f2787e3ae9668a15123b165c23ac, https://github.com/advisories/GHSA-3xv8-3j54-hgrp, https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2020-77.yaml, https://github.com/pypa/advisory-db/blob/7872b0a91b4d980f749e6d75a81f8cc1af32829f/vulns/pillow/PYSEC-2020-77.yaml, https://github.com/python-pillow/Pillow, https://github.com/python-pillow/Pillow/commits/master/src/libImaging, https://lists.fedoraproject.org/archives/list/[email protected]/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD, https://lists.fedoraproject.org/archives/list/[email protected]/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427, https://pillow.readthedocs.io/en/stable/releasenotes/6.2.3.html, https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html, https://usn.ubuntu.com/4430-1, https://usn.ubuntu.com/4430-2

    Affected packages

    Package

    Name: pillow

    Purl: pkg:pypi/pillow

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7.1.0

    Affected versions

    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-3xv8-3j54-hgrp | CVE-DB