CVE-2018-9918

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3638-1/ third party advisory vendor advisory
https://github.com/qpdf/qpdf/commit/b4d6cf6836ce025ba1811b7bbec52680c7204223 patch
https://github.com/qpdf/qpdf/issues/202 issue tracking patch exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-9918?
CVE-2018-9918 has been scored as a high severity vulnerability.
How to fix CVE-2018-9918?
To fix CVE-2018-9918, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-9918 being actively exploited in the wild?
It is possible that CVE-2018-9918 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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