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{"acknowledgement": "Red Hat would like to thank Nguyen Dinh Hai (github.com/Haind03) for reporting this issue.", "bugzilla": {"description": "hivex: hivex: Denial of Service via out-of-bounds read in big-data block processing", "id": "2565405", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2565405"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in hivex. By supplying a specially crafted Windows registry hive file, an attacker can trigger an out-of-bounds memory read when hivex parses registry values containing malformed large data block lists. This issue can cause the application processing the registry file to crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-120740", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "hivex", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "hivex", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "hivex", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "virt-devel:rhel/hivex", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "virt:rhel/hivex", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "hivex", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-11-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-120740\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-120740"], "threat_severity": "Low"}

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