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.
{ "urgency": "not yet assigned" }
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2017-18185.json"