CVE-2018-20481
poppler: NULL pointer dereference in the XRef::getEntry in XRef.cc
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · December 20, 2018
Updated · June 27, 2026
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CWE-476 · NULL Pointer Dereference