UBUNTU-CVE-2026-120740
Dashboard / Vulnerabilities / UBUNTU-CVE-2026-120740
Summary:
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).
References: https://ubuntu.com/security/CVE-2026-120740, https://www.cve.org/CVERecord?id=CVE-2026-120740, https://bugzilla.redhat.com/show_bug.cgi?id=2565405, https://access.redhat.com/security/cve/CVE-2026-120740
Affected packages
Package
Name: hivex
Purl: pkg:deb/ubuntu/hivex?arch=source&distro=esm-apps%2Fxenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
1.3.11-1build1
1.3.12-1
1.3.13-1
1.3.13-1build1
1.3.13-1build2
1.3.13-1build3
1.3.13-1ubuntu0.1~esm1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
