PYSEC-2020-77

    Dashboard / Vulnerabilities / PYSEC-2020-77

    PYSEC-2020-77

    Published: 25 Jun 2020Last Modified: 6 Jun 2025

    Summary:

    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://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html, https://github.com/python-pillow/Pillow/commits/master/src/libImaging, https://github.com/python-pillow/Pillow/commit/6a83e4324738bb0452fbe8074a995b1c73f08de7#diff-9478f2787e3ae9668a15123b165c23ac, https://github.com/python-pillow/Pillow/pull/4538, https://lists.fedoraproject.org/archives/list/[email protected]/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427/, https://lists.fedoraproject.org/archives/list/[email protected]/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD/, https://usn.ubuntu.com/4430-1/, https://usn.ubuntu.com/4430-2/, https://github.com/advisories/GHSA-3xv8-3j54-hgrp

    Affected packages

    Package

    Name: pillow

    Purl: pkg:pypi/pillow

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -6a83e4324738bb0452fbe8074a995b1c73f08de7

    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
    PYSEC-2020-77 | CVE-DB