CVE-2018-18020
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-18020
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18020.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-18020
- Downstream
- Published
- 2018-10-06T14:29:00.660Z
- Modified
- 2025-11-20T10:47:55.418018Z
- Severity
-
- 3.3 (Low) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
Affected packages
Git / github.com/qpdf/qpdf
Affected ranges
- Type
- GIT
- Repo
- https://github.com/qpdf/qpdf
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
Affected versions
release-qpdf-2.*
release-qpdf-2.0
release-qpdf-2.0.1
release-qpdf-2.0.2
release-qpdf-2.0.3
release-qpdf-2.0.4
release-qpdf-2.0.5
release-qpdf-2.0.6
release-qpdf-2.1
release-qpdf-2.1.1
release-qpdf-2.1.2
release-qpdf-2.1.3
release-qpdf-2.1.4
release-qpdf-2.1.5
release-qpdf-2.1.rc1
release-qpdf-2.2.0
release-qpdf-2.2.1
release-qpdf-2.2.2
release-qpdf-2.2.3
release-qpdf-2.2.4
release-qpdf-2.2.rc1
release-qpdf-2.3.0
release-qpdf-2.3.1
release-qpdf-3.*
release-qpdf-3.0.0
release-qpdf-3.0.1
release-qpdf-3.0.2
release-qpdf-3.0.rc1
release-qpdf-4.*
release-qpdf-4.0.0
release-qpdf-4.0.1
release-qpdf-4.1.0
release-qpdf-4.2.0
release-qpdf-5.*
release-qpdf-5.0.0
release-qpdf-5.0.1
release-qpdf-5.1.0
release-qpdf-5.1.1
release-qpdf-5.1.2
release-qpdf-5.1.3
release-qpdf-5.2.0
release-qpdf-6.*
release-qpdf-6.0.0
release-qpdf-7.*
release-qpdf-7.0.0
release-qpdf-7.0.b1
release-qpdf-7.1.0
release-qpdf-7.1.1
release-qpdf-8.*
release-qpdf-8.0.0
release-qpdf-8.0.1
release-qpdf-8.0.2
release-qpdf-8.0.a1
release-qpdf-8.0.rc1
release-qpdf-8.0.rc2
release-qpdf-8.0.rc3
release-qpdf-8.1.0
release-qpdf-8.2.0
release-qpdf-8.2.1