CVE-2018-20481

Public on 2019-08-23
Modified on 2019-10-23
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.
Severity
Low
CVSS v3 Base Score
3.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 poppler 2019-10-21 18:01 ALAS2-2019-1332
Amazon Linux 1 poppler 2019-08-23 17:01 ALAS-2019-1271

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
NVD CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
NVD CVSSv3 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H