{"action":"Upgrade icu to 3.8-6 or later.","affected":[{"fixed":"3.8-6","introduced":"0"}],"component":"icu","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.8-6"],"id":"tcs_01M5N8W6EFF3TFXARHV13DD5AF","modified_at":"2026-10-21T17:47:36.804751668Z","published_at":"2008-01-29T00:00:00Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2007-4771","https://security-tracker.debian.org/tracker/CVE-2007-4771"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2007-4771","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2007-4771"}],"summary":"Heap-based buffer overflow in the doInterval function in regexcmp.cpp in libicu in International Components for Unicode (ICU) 3.8.1 and earlier allows context-dependent attackers to cause a denial of"}