CVE-2017-18183
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter:...
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
- Record
CVE-2017-18183- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-835
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
- Record
CVE-2017-18183- Updated
- 2026-11-02
EUVDEUVD-2017-9318 No score
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
- Record
EUVD-2017-9318- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c873-f884-8r22
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter:...
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
- Record
GHSA-c873-f884-8r22- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-835
- Updated
- 2026-11-02
OSV
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
- Record
CVE-2017-18183- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-18183
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
- Record
DEBIAN-CVE-2017-18183- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-18183
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
- Record
UBUNTU-CVE-2017-18183- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUSN-3638-1 No score
qpdf vulnerabilities
It was discovered that QPDF incorrectly handled certain malformed files. A remote attacker could use this issue to cause QPDF to crash, resulting in a denial of service, or possibly execute arbitrary code.
- Record
USN-3638-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
qpdfDebian:12 |
before 7.0.0-1 | 7.0.0-1 |
qpdfDebian:13 |
before 7.0.0-1 | 7.0.0-1 |
qpdfDebian:14 |
before 7.0.0-1 | 7.0.0-1 |
qpdfUbuntu:14.04:LTS |
before 8.0.2-3~14.04.1, plus listed versions 4.2.0-25.0.1-15.0.1-1ubuntu15.1.0-15.1.1-1 |
8.0.2-3~14.04.1 |
qpdfUbuntu:16.04:LTS |
before 8.0.2-3~16.04.1, plus listed versions 5.1.3-25.1.3-35.2.0-15.2.0-26.0.0-2 |
8.0.2-3~16.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-18183 is a medium vulnerability (CVSS 5.5) in Qpdf Project Qpdf, published February 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.14%, the 66th percentile. Fixed in qpdf 7.0.0-1.
References
github.com/qpdf/qpdf/commit/8249a26d69f72b9cda584c14cc3f12769985e481
usn.ubuntu.com/3638-1
nvd.nist.gov/vuln/detail/CVE-2017-18183
security-tracker.debian.org/tracker/CVE-2017-18183
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ubuntu.com/security/CVE-2017-18183
cve.org/CVERecord?id=CVE-2017-18183