CVE-2018-20481

MEDIUM

Poppler 0.72.0 - Denial of Service via NULL Pointer Dereference in XRef::getEntry

Title source: llm
STIX 2.1

Description

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 (8)

Core 8
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2713
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://gitlab.freedesktop.org/poppler/poppler/issues/692
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3865-1/
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106321
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2022
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html

Scores

CVSS v3 6.5
EPSS 0.0119
EPSS Percentile 79.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (6)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
freedesktop/poppler 0.72.0
Published Dec 26, 2018
Tracked Since Feb 18, 2026