{"action":"Upgrade poco to 1.13.0-6 or later.","affected":[{"fixed":"1.13.0-6","introduced":"0"}],"component":"poco","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.13.0-6"],"id":"tcs_01M5NJF22W9THSC5DRZ4WJF5Z4","modified_at":"2026-10-23T18:05:25.827812162Z","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#Debian:13/poco","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"}