{"action":"Upgrade poco to 1.11.0-3+deb12u1 or later.","affected":[{"fixed":"1.11.0-3+deb12u1","introduced":"0"}],"component":"poco","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.11.0-3+deb12u1"],"id":"tcs_01M5NJF202V7ZJYYS1JYHPQYNZ","modified_at":"2026-10-26T18:03:07.971529834Z","published_at":"2024-01-27T03:15:07.883Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-52389","https://security-tracker.debian.org/tracker/CVE-2023-52389"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-52389","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-52389"}],"summary":"UTF32Encoding.cpp in POCO has a Poco::UTF32Encoding integer overflow and resultant stack buffer overflow because Poco::UTF32Encoding::convert() and Poco::UTF32::queryConvert() may return a negative in"}