NULL Pointer Dereference Affecting poppler-qt5 package, versions <0:0.66.0-11.el8_0.12


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.8% (82nd percentile)

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  • Snyk ID SNYK-RHEL8-POPPLERQT5-3450562
  • published 26 Jul 2021
  • disclosed 20 Dec 2018

How to fix?

Upgrade RHEL:8 poppler-qt5 to version 0:0.66.0-11.el8_0.12 or higher.
This issue was patched in RHSA-2019:2713.

NVD Description

Note: Versions mentioned in the description apply only to the upstream poppler-qt5 package and not the poppler-qt5 package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.