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NULL Pointer Dereference Affecting poppler-debuginfo package, versions <0:0.26.5-38.19.amzn1

Severity

 Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.67% (80th percentile)

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  • Snyk IDSNYK-AMZN201803-POPPLERDEBUGINFO-1719052
  • published27 Sept 2021
  • disclosed26 Dec 2018
Report a new vulnerability Found a mistake?

Introduced: 26 Dec 2018

CVE-2018-20481  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 poppler-debuginfo to version 0:0.26.5-38.19.amzn1 or higher.
This issue was patched in ALAS-2019-1271.

NVD Description

Note: Versions mentioned in the description apply only to the upstream poppler-debuginfo package and not the poppler-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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.