CVE-2026-64220: Software Security Vulnerability Vulnerability

MODERATE
Advisory Identifier: GHSA-wjrp-p8qr-8jr3
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CVSS 5.5
CWE-908
Published
Advisory Summary

CVE-2026-64220 is a MODERATE (CVSS 5.5) security vulnerability vulnerability (CWE-908: Use of Uninitialized Resource) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product uses or accesses a resource that has not been initialized.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-64220 at a Glance

CVE Identifier CVE-2026-64220
GHSA Identifier GHSA-wjrp-p8qr-8jr3
Severity MODERATE
CVSS v3.1 Base Score 5.5
CWE Classification CWE-908: Use of Uninitialized Resource
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 5.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2026-64220

To remediate this vulnerability, upgrade all affected Software dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-64220, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree

Analyze the terminal output to locate any version of Software in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The mvn dependency:tree command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-908: Use of Uninitialized Resource, where the product uses or accesses a resource that has not been initialized. In Software, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

In the Linux kernel, the following vulnerability has been resolved: device property: set fwnode->secondary to NULL in fwnode_init() If a firmware node is allocated on the stack (for instance: temporary software node whose life-time we control) or on the heap - but using a non-zeroing allocation function - and initialized using fwnode_init(), its secondary pointer will contain uninitalized memory which likely will be neither NULL nor IS_ERR() and so may end up being dereferenced (for example: in dev_to_swnode()). Set fwnode->secondary to NULL on initialization.

References

NVD — CVE-2026-64220 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-64220
git.kernel.org/stable/c/215c90ee65... WEB
https://git.kernel.org/stable/c/215c90ee656114f5e8c32408228d97082f8e0eef
git.kernel.org/stable/c/34bf74b1fd... WEB
https://git.kernel.org/stable/c/34bf74b1fd2e4a44e27821a329204caf09df2976
git.kernel.org/stable/c/371f53925a... WEB
https://git.kernel.org/stable/c/371f53925a6714d0aa35f1aefdffc3e8cd62f480
git.kernel.org/stable/c/3f1024deea... WEB
https://git.kernel.org/stable/c/3f1024deeab3b5443c29b3de4fe475e87309b8fa
git.kernel.org/stable/c/508fd8ab15... WEB
https://git.kernel.org/stable/c/508fd8ab158abd04b7f7d0f707cd6d6c405df4ea
git.kernel.org/stable/c/f0e211d653... WEB
https://git.kernel.org/stable/c/f0e211d6539fae800217c10797993b7592d6ab01
git.kernel.org/stable/c/f59e686c77... WEB
https://git.kernel.org/stable/c/f59e686c778cb41b8f7aa8fab2afd6a01afb3d47

Frequently Asked Questions

What is CVE-2026-64220?
CVE-2026-64220 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-908: Use of Uninitialized Resource.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-64220?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-64220?
CVE-2026-64220 has a CVSS v3.1 base score of 5.5 (MODERATE) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2026-64220?
CVE-2026-64220 is classified under CWE-908: Use of Uninitialized Resource (The product uses or accesses a resource that has not been initialized.).
How can I check Maven dependencies for CVE-2026-64220?
Run the dependency tree command: 'mvn dependency:tree'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
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  "id" : "GHSA-wjrp-p8qr-8jr3",
  "modified" : "2026-08-11T18:30:39Z",
  "published" : "2026-07-24T18:31:27Z",
  "aliases" : [ "CVE-2026-64220" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\ndevice property: set fwnode->secondary to NULL in fwnode_init()\n\nIf a firmware node is allocated on the stack (for instance: temporary\nsoftware node whose life-time we control) or on the heap - but using a\nnon-zeroing allocation function - and initialized using fwnode_init(),\nits secondary pointer will contain uninitalized memory which likely will\nbe neither NULL nor IS_ERR() and so may end up being dereferenced (for\nexample: in dev_to_swnode()). Set fwnode->secondary to NULL on\ninitialization.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
  } ],
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  "references" : [ {
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    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/34bf74b1fd2e4a44e27821a329204caf09df2976"
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  "database_specific" : {
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    "nvd_published_at" : "2026-07-24T16:16:49Z"
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}