The mpatch_apply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004.
[ { "events": [ { "introduced": "0" }, { "fixed": "4.6.1" } ] } ]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-13346.json"