7.8high
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…
Published 8 y ago · modified 4 mo ago · JSON
CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 77%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
1.67% probability of exploitation in the next 30 days, higher than 77% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
- CWE-674 Uncontrolled Recursion
References
- usn.ubuntu.com /3638-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- github.com /qpdf/qpdf/commit/b4d6cf6836ce025ba1811b7bbec52680c7204223 · x_refsource_MISC, x_transferred
- github.com /qpdf/qpdf/issues/202 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2018-9918
- NVD: CVE-2018-9918
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.