CVE-2018-20481

    Dashboard / Vulnerabilities / CVE-2018-20481

    CVE-2018-20481

    Published: 26 Dec 2018Last Modified: 8 Jul 2026

    Summary:

    Details: XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef entries, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PDF document, when XRefEntry::setFlag in XRef.h is called from Parser::makeStream in Parser.cc.

    References: https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html, http://www.securityfocus.com/bid/106321, https://access.redhat.com/errata/RHSA-2019:2022, https://access.redhat.com/errata/RHSA-2019:2713, https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html, https://usn.ubuntu.com/3865-1/, https://gitlab.freedesktop.org/poppler/poppler/issues/692, https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 9414cc632c17afb7b78c559447b2044268f06cfc
    Fixed -None

    Affected versions

    0.72.0

    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