{"id":"DEBIAN-CVE-2026-47143","details":"Capstone is a disassembly framework. Versions prior to 6.0.0-Alpha8 and 5.0.8 have a NULL pointer dereference in `modRMRequired()` and `decode()` when disassembling 3DNow! opcodes (`0F 0F`) in builds compiled with `-DCAPSTONE_X86_REDUCE`, allowing a remote attacker to crash any application using the reduced X86 Capstone library by supplying a crafted input containing the 4-byte sequence `0F 0F \u003cmodrm\u003e \u003cimm8\u003e`. Versions 6.0.0-Alpha8 and 5.0.8 patch the issue.","modified":"2026-09-14T17:03:16.137608841Z","published":"2026-07-21T21:16:50.270Z","upstream":["CVE-2026-47143"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-47143"}],"affected":[{"package":{"name":"capstone","ecosystem":"Debian:12","purl":"pkg:deb/debian/capstone?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.2-5","4.0.2-5.1","5.0-1~exp1","5.0.1-1~exp1","5.0.3-1","5.0.5-1","5.0.6-1","5.0.7-1","5.0.7-1~deb13u1","5.0.7-2","5.0.9-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47143.json"}},{"package":{"name":"capstone","ecosystem":"Debian:13","purl":"pkg:deb/debian/capstone?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.6-1","5.0.7-1","5.0.7-1~deb13u1","5.0.7-2","5.0.9-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47143.json"}},{"package":{"name":"capstone","ecosystem":"Debian:14","purl":"pkg:deb/debian/capstone?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.9-1"}]}],"versions":["5.0.6-1","5.0.7-1","5.0.7-1~deb13u1","5.0.7-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47143.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}