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....
HighCVSS 7.8
EPSS 1.7%
- Published
- Updated
- Exploit status
- No public exploit known
Description
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/qpdf(Debian:12) | < 8.0.2-3 | 8.0.2-3 |
| debian/qpdf(Debian:13) | < 8.0.2-3 | 8.0.2-3 |
| debian/qpdf(Debian:14) | < 8.0.2-3 | 8.0.2-3 |
| qpdf project qpdf | <= 8.0.2 | No fix listed |
| Canonical Ubuntu Linux | = 14.04 | No fix listed |
| Canonical Ubuntu Linux | = 16.04 | No fix listed |
| Canonical Ubuntu Linux | = 17.10 | No fix listed |
References
- Debian Security Tracker CVE-2018-9918 vendor-advisory
- github.com patch
- github.com exploit issue-tracking patch third-party-advisory
- USN-3638-1 third-party-advisory vendor-advisory
- bugs.debian.org issue-tracking