CVE-2021-3622

MEDIUM
4.3
CVSS Score
Published: December 23, 2021 at 08:31 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
4 products affected across 2 vendorsFedoraEnterprise LinuxEnterprise Linux Workstation

Using hivex by N/A?

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Severity
MEDIUM4.3
Exploit prediction
EPSS 5%

Description

A flaw was found in the hivex library. This flaw allows an attacker to input a specially crafted Windows Registry (hive) file, which would cause hivex to recursively call the _get_children() function, leading to a stack overflow. The highest threat from this vulnerability is to system availability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.3.211.3.21
Affected range stops below 1.3.21, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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