Source: capstone Version: 5.0.7-2 Severity: important Tags: security upstream Forwarded: https://github.com/capstone-engine/capstone/pull/2924 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for capstone. CVE-2026-47143[0]: | 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 | <modrm> <imm8>`. Versions 6.0.0-Alpha8 and 5.0.8 patch the issue. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-47143 https://www.cve.org/CVERecord?id=CVE-2026-47143 [1] https://github.com/capstone-engine/capstone/pull/2924 [2] https://github.com/capstone-engine/capstone/security/advisories/GHSA-289w-cm54-fgrm [3] https://github.com/capstone-engine/capstone/commit/fab595205fee206f5c21be6ed8ad2eaf9225f1c7 Please adjust the affected versions in the BTS as needed. Regards, Salvatore

