CVE-2018-18020
qpdf - security update
3.3
LOW
CVSS 3.1
EPSS 0.11%
Description
In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted PDF file.
How to fix CVE-2018-18020
To remediate CVE-2018-18020, upgrade the affected package to a fixed version below.
- Debian/qpdf—upgrade to 9.0.0-1 or later
- —upgrade to 8.4.0-2+deb10u1 or later
Is CVE-2018-18020 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 9.0.0-1
- from 0, < 8.4.0-2+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |