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{"bugzilla": {"description": "capstone: Capstone: Heap buffer overflow via skipdata callback allows denial of service or arbitrary code execution.", "id": "2423419", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423419"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, Skipdata length is not bounds-checked, so a user-provided skipdata callback can make cs_disasm/cs_disasm_iter memcpy more than 24 bytes into cs_insn.bytes, causing a heap buffer overflow in the disassembly path. Commit cbef767ab33b82166d263895f24084b75b316df3 fixes the issue."], "name": "CVE-2025-67873", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "capstone", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "ruby:3.3/ruby", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "capstone", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "ruby:3.3/ruby", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2025-12-17T21:12:13Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-67873\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-67873\nhttps://github.com/capstone-engine/capstone/commit/cbef767ab33b82166d263895f24084b75b316df3\nhttps://github.com/capstone-engine/capstone/security/advisories/GHSA-hj6g-v545-v7jg"], "statement": "This vulnerability is rated Moderate because a heap buffer overflow in the Capstone disassembly framework can be exploited by a local attacker providing a specially crafted skipdata callback, potentially leading to denial of service or arbitrary code execution. Exploitation requires local access and user interaction.", "threat_severity": "Moderate"}

{"created": "2025-12-18T09:56:08.351514+00:00", "updated": "2025-12-18T09:56:08.351542+00:00", "vendors": ["capstone-engine", "capstone-engine$PRODUCT$capstone"]}