In Xpdf 4.05 (and earlier), invalid header info in a DCT (JPEG) stream can lead to an uninitialized variable in the DCT decoder. The proof-of-concept PDF file causes a segfault attempting to read from an invalid address.
[ { "events": [ { "introduced": "0" }, { "fixed": "4.06" } ] } ]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-7868.json"