Out-of-bounds Read in Qpdf Project
CVE-2017-18184
An issue was discovered in QPDF before 7.0.0. There is a stack-based out-of-bounds read in the function iterate_rc4 in QPDF_encryption.cc.
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: 0.007 (49.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- usn.ubuntu.com/3638-1/ (vendor-advisory)
- github.com/qpdf/qpdf/commit/dea704f0ab7f625e1e7b3f9a1110b45b63157317 (Patch, Third Party Advisory)
- github.com/qpdf/qpdf/issues/147 (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-18184?
- CVE-2017-18184 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-2017-18184?
- Medium severity. CVSS v3 base score is 5.5 out of 10.