CVE-2018-20481
6.5
MEDIUM
CVSS 3.1
EPSS 1.2%
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.
How to fix CVE-2018-20481
To remediate CVE-2018-20481, upgrade the affected package to a fixed version below.
- Debian/poppler—upgrade to 0.71.0-4 or later
Is CVE-2018-20481 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.71.0-4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |