{"id":"CVE-2026-47143","aliases":["ALPINE-CVE-2026-47143","AZL-92879","AZL-93312","BELL-CVE-2026-47143","DEBIAN-CVE-2026-47143","EUVD-2026-46398","GHSA-289w-cm54-fgrm","PYSEC-2026-3544","RHSA-2026:43841","UBUNTU-CVE-2026-47143"],"status":"published","title":"Capstone has a NULL Pointer Dereference with 3DNow! opcodes","description":"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.","severity":{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00468,"percentile":0.40942,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2026-05-26T11:41:58.89017Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Alpine:v3.23","package":"capstone","fixed_in":["5.0.8-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"capstone","fixed_in":["5.0.8-r0"],"sources":["osv"]},{"ecosystem":"Azure Linux:3","package":"rust","fixed_in":["1.90.0-10"],"sources":["osv"]},{"ecosystem":"Alpaquita:25","package":"capstone","fixed_in":["5.0.9-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"capstone","fixed_in":["5.0.8-r0"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"capstone","fixed_in":["5.0.9-1"],"sources":["osv"]},{"ecosystem":"PyPI","package":"capstone","fixed_in":["5.0.8"],"sources":["osv"]},{"ecosystem":"Red Hat:hummingbird:1","package":"capstone","fixed_in":["0:5.0.8-0.1.hum1"],"sources":["osv"]},{"ecosystem":"Red Hat:hummingbird:1","package":"capstone-devel","fixed_in":["0:5.0.8-0.1.hum1"],"sources":["osv"]},{"ecosystem":"Red Hat:hummingbird:1","package":"capstone-java","fixed_in":["0:5.0.8-0.1.hum1"],"sources":["osv"]},{"ecosystem":"Red Hat:hummingbird:1","package":"capstone-static","fixed_in":["0:5.0.8-0.1.hum1"],"sources":["osv"]},{"ecosystem":"Red Hat:hummingbird:1","package":"python3-capstone","fixed_in":["0:5.0.8-0.1.hum1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.23","package":"capstone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.8-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"capstone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.8-r0"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"capstone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.0.2-4"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"rust","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.85.0"},{"fixed":"1.90.0-10"}]}]},{"source":"osv","ecosystem":"Alpaquita:25","package":"capstone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.6-r0"},{"fixed":"5.0.9-r0"}]}]},{"source":"osv","ecosystem":"Alpaquita:stream","package":"capstone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.2-r5"},{"fixed":"5.0.8-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"capstone","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"]},{"source":"osv","ecosystem":"Debian:13","package":"capstone","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"]},{"source":"osv","ecosystem":"Debian:14","package":"capstone","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"]},{"source":"osv","ecosystem":"PyPI","package":"capstone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.8"}]}],"versions":["2.0","2.1","3.0","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.0.5.post1","3.0.5rc2","4.0.0","4.0.1","4.0.2","5.0.0","5.0.0.post1","5.0.0rc2","5.0.0rc4","5.0.1","5.0.2","5.0.3","5.0.4","5.0.5","5.0.6","5.0.7"]},{"source":"osv","ecosystem":"Red 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Advisory","advisory","evidence","article"]},{"url":"https://github.com/capstone-engine/capstone/pull/2924","tags":["x_refsource_MISC","Issue Tracking","Patch","fix","article"]},{"url":"https://github.com/capstone-engine/capstone/commit/a0201371719b5aaa91d318ab2898843718f92d1f","tags":["x_refsource_MISC","Patch","fix","article"]},{"url":"https://github.com/capstone-engine/capstone/commit/fab595205fee206f5c21be6ed8ad2eaf9225f1c7","tags":["x_refsource_MISC","Patch","fix","article"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-47143","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47143","tags":["web","advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2026-47143","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47143.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-47143","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:43841","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-47143","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_43841.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2504488","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-47143","tags":["advisory","report"]},{"url":"https://ubuntu.com/security/CVE-2026-47143","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-47143","title":"Capstone has a NULL Pointer Dereference with 3DNow! opcodes","description":"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.","status":"published","published":"2026-07-21T20:10:44.476Z","modified":"2026-07-22T13:42:55.326Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T13:36:40.478484Z"}],"euvd":[{"id":"EUVD-2026-46398","description":"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.","status":"published","published":"2026-07-21T20:10:44Z","modified":"2026-07-22T13:42:55Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:19:46.391735Z"}],"nvd":[{"id":"CVE-2026-47143","description":"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.","status":"published","published":"2026-07-21T21:16:50.27Z","modified":"2026-10-24T19:10:00.127Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:12:31.394335Z"}],"osv":[{"id":"ALPINE-CVE-2026-47143","description":"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.","status":"published","published":"2026-07-21T21:16:50.27Z","modified":"2026-11-03T06:33:03.271796365Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T07:15:37.282377Z"},{"id":"BELL-CVE-2026-47143","status":"published","published":"2026-05-26T11:41:58.89017Z","modified":"2026-08-01T07:15:09.392644057Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:24.391068Z"},{"id":"CVE-2026-47143","title":"Capstone has a NULL Pointer Dereference with 3DNow! opcodes","description":"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.","status":"published","published":"2026-07-21T20:10:44.476Z","modified":"2026-10-28T11:11:12.740215322Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:45:06.231145Z"},{"id":"DEBIAN-CVE-2026-47143","description":"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.","status":"published","published":"2026-07-21T21:16:50.27Z","modified":"2026-10-25T09:47:34.278944044Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:56.444225Z"},{"id":"PYSEC-2026-3544","description":"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.","status":"published","published":"2026-07-21T21:16:50.27Z","modified":"2026-07-31T10:30:18.554773099Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:56.847083Z"},{"id":"RHSA-2026:43841","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","status":"published","published":"2026-07-28T10:13:18Z","modified":"2026-10-06T10:30:25.030251854Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:20.491441Z"},{"id":"UBUNTU-CVE-2026-47143","description":"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.","status":"published","published":"2026-07-21T21:16:00Z","modified":"2026-10-17T13:00:17.147253888Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:56:30.797112Z"},{"id":"AZL-92879","title":"CVE-2026-47143 affecting package capstone 4.0.2-4","description":"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.","status":"published","published":"2026-07-21T21:16:50Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:25.880689Z"},{"id":"AZL-93312","title":"CVE-2026-47143 affecting package rust for versions less than 1.90.0-10","description":"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.","status":"published","published":"2026-07-21T21:16:50Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:25.880689Z"}]}}