Live › vulnerability › CVE-2026-120740
hivex is a library for reading Windows registry hive files. A specially crafted hive file with malformed large data block lists makes it read memory out of bounds, which can crash the program that parses the file.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-02 22:35 UTC. All times on this page are UTC.
Programs that use hivex to parse Windows registry hive files from untrusted sources can be crashed by a malicious file. Systems that only read registry files they generate themselves are unlikely to be exposed. unknown whether the sources list affected versions.
No product ranges from the sources yet.
Unknown from the sources.
No fix yet, per the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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).
This page as .md · .json · in your agent: get_signal("CVE-2026-120740")
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