An issue was discovered in QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the PlBuffer::write function in PlBuffer.cc. It is caused by an integer overflow in the PNG filter.
{ "versions": [ { "introduced": "0" }, { "fixed": "7.0.0" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18185.json"