{"action":"Upgrade mercurial to 1.6.4-1 or later.","affected":[{"fixed":"1.6.4-1","introduced":"0"}],"component":"mercurial","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.6.4-1"],"id":"tcs_01M5N9N44KNQMKBVP5W10DHNTX","modified_at":"2026-10-23T18:03:39.873506406Z","published_at":"2019-10-29T19:15:12.720Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2010-4237","https://security-tracker.debian.org/tracker/CVE-2010-4237"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2010-4237#Debian:13/mercurial","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2010-4237"}],"summary":"Mercurial before 1.6.4 fails to verify the Common Name field of SSL certificates which allows remote attackers who acquire a certificate signed by a Certificate Authority to perform a man-in-the-middl"}