mpatch.c in Mercurial before 4.6.1 mishandles integer addition and subtraction, aka OVE-20180430-0002.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-13347.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "4.6.1" } ] } ]