{"action":"Upgrade mercurial to 4.6.1 or later.","affected":[{"fixed":"4.6.1","introduced":"0"}],"component":"mercurial","cve_ids":["CVE-2018-13348"],"ecosystem":"PyPI","epss":0.02104,"exploited":false,"fixed_versions":["4.6.1"],"ghsa_id":"GHSA-3v62-ww8w-758m","id":"tcs_01M5KG88W4WKD0HW8JE8KP2YAP","modified_at":"2026-06-10T17:01:23.820638096Z","published_at":"2018-07-06T00:29:00Z","references":["https://osv.dev/vulnerability/PYSEC-2018-90","https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29","https://www.mercurial-scm.org/repo/hg/rev/90a274965de7","https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html","https://github.com/advisories/GHSA-3v62-ww8w-758m"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2018-90","url":"https://osv.dev/vulnerability/PYSEC-2018-90"}],"summary":"The mpatch_decode function in mpatch.c in Mercurial before 4.6.1 mishandles certain situations where there should be at least 12 bytes remaining after the current position in the patch data, but actua"}