CVE-2018-18456

Description

The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.53%
Third-Party Advisory xpdfreader.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217 third party advisory
https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-18456?
CVE-2018-18456 has been scored as a medium severity vulnerability.
How to fix CVE-2018-18456?
To fix CVE-2018-18456, 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-2018-18456 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-18456 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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