Out-of-bounds Read in Qpdf Project
CVE-2017-18185
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71 (Patch, Third Party Advisory)
- usn.ubuntu.com/3638-1/ (vendor-advisory)
- github.com/qpdf/qpdf/issues/150 (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-18185?
- CVE-2017-18185 is a medium-severity vulnerability in Qpdf Project, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-02-13.
- How severe is CVE-2017-18185?
- Medium severity. CVSS v3 base score is 5.5 out of 10.