CVE-2017-18185

Description

An issue was discovered in QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc. It is caused by an integer overflow in the PNG filter.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.16%
Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71 third party advisory patch
https://usn.ubuntu.com/3638-1/ vendor advisory
https://github.com/qpdf/qpdf/issues/150 third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-18185?
CVE-2017-18185 has been scored as a medium severity vulnerability.
How to fix CVE-2017-18185?
To fix CVE-2017-18185, 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-2017-18185 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-18185 is being actively exploited. 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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