CVE-2026-120740

NameCVE-2026-120740
DescriptionA 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).
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
hivex (PTS)bookworm1.3.23-1vulnerable
trixie1.3.24-1vulnerable
forky, sid1.3.24-3vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
hivexsource(unstable)(unfixed)

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2565405

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