{"id":"DEBIAN-CVE-2025-15536","details":"A weakness has been identified in BYVoid OpenCC up to 1.1.9. This vulnerability affects the function opencc::MaxMatchSegmentation of the file src/MaxMatchSegmentation.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. Patch name: 345c9a50ab07018f1b4439776bad78a0d40778ec. To fix this issue, it is recommended to deploy a patch.","modified":"2026-09-01T20:05:42.012150566Z","published":"2026-01-18T09:15:46.960Z","upstream":["CVE-2025-15536"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-15536"}],"affected":[{"package":{"name":"opencc","ecosystem":"Debian:12","purl":"pkg:deb/debian/opencc?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.6+ds1-1","1.1.6+ds1-2","1.1.7+ds1-1","1.1.8+ds1-1","1.1.8+ds1-1~exp1","1.1.8+ds1-2","1.1.8+ds1-3","1.1.9+ds1-1","1.1.9+ds1-1~exp1","1.1.9+ds1-2","1.1.9+ds1-3","1.1.9+ds1-3~exp1","1.1.9+ds1-4","1.2.0+ds1-1","1.2.0+ds1-1~exp1","1.2.0+ds1-1~exp2","1.3.0+ds1-1","1.3.0+ds1-1~exp1","1.3.0+ds1-2","1.3.1+ds1-1","1.3.1+ds1-2","1.3.1+ds1-3","1.4.1+ds1-1","1.4.1+ds1-1~exp1","1.4.1+ds1-1~exp2","1.4.1+ds1-1~exp3","1.4.1+ds1-2","1.4.1+ds1-3","1.4.1+ds1-4","1.4.1+ds1-5","1.4.1+ds1-6","1.4.1+ds1-7","1.4.1+ds1-8","1.4.2+ds1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-15536.json"}},{"package":{"name":"opencc","ecosystem":"Debian:13","purl":"pkg:deb/debian/opencc?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.9+ds1-1+deb13u1"}]}],"versions":["1.1.9+ds1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-15536.json"}},{"package":{"name":"opencc","ecosystem":"Debian:14","purl":"pkg:deb/debian/opencc?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.9+ds1-4"}]}],"versions":["1.1.9+ds1-1","1.1.9+ds1-2","1.1.9+ds1-3","1.1.9+ds1-3~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-15536.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}