Vulnerability in Qpdf Project
CVE-2018-9918
libqpdf.a in QPDF through 8.0.2 mishandles certain "expected dictionary key but found non-name object" cases, allowing remote attackers to cause a denial of service (stack exhaustion), related to the QPDFObjectHandle and QPDF_Dictionary classes, because nesting in direct objects is not restricted.
EPSS: 0.017 (75.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Qpdf_project Qpdf
- Canonical Ubuntu_linux — versions 14.04, 16.04, 17.10
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (Patch, x_refsource_MISC)
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2018-9918?
- CVE-2018-9918 is a high-severity vulnerability in Qpdf Project, classified under Uncontrolled Recursion. CVSS score: 7.8/10. Published 2018-04-10.
- How severe is CVE-2018-9918?
- High severity. CVSS v3 base score is 7.8 out of 10.