Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qpdf Project | Qpdf | < 7.0.0 |
Related Weaknesses (CWE)
References
- https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71PatchThird Party Advisory
- https://github.com/qpdf/qpdf/issues/150Issue TrackingThird Party Advisory
- https://usn.ubuntu.com/3638-1/
- https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71PatchThird Party Advisory
- https://github.com/qpdf/qpdf/issues/150Issue TrackingThird Party Advisory
- https://usn.ubuntu.com/3638-1/
FAQ
What is CVE-2017-18185?
CVE-2017-18185 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.
How severe is CVE-2017-18185?
CVE-2017-18185 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-18185?
Check the references section above for vendor advisories and patch information. Affected products include: Qpdf Project Qpdf.