CVE-2026-23253: Software Security Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-2m3p-78c9-6w3j
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CVSS 7.8
CWE-665
Published
Advisory Summary

CVE-2026-23253 is a HIGH (CVSS 7.8) security vulnerability vulnerability (CWE-665: Improper Initialization) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-23253 at a Glance

CVE Identifier CVE-2026-23253
GHSA Identifier GHSA-2m3p-78c9-6w3j
Severity HIGH
CVSS v3.1 Base Score 7.8
CWE Classification CWE-665: Improper Initialization
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 7.8

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:H/I:H/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 High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2026-23253

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-2026-23253, 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-665: Improper Initialization, where the product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. 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: media: dvb-core: fix wrong reinitialization of ringbuffer on reopen dvb_dvr_open() calls dvb_ringbuffer_init() when a new reader opens the DVR device. dvb_ringbuffer_init() calls init_waitqueue_head(), which reinitializes the waitqueue list head to empty. Since dmxdev->dvr_buffer.queue is a shared waitqueue (all opens of the same DVR device share it), this orphans any existing waitqueue entries from io_uring poll or epoll, leaving them with stale prev/next pointers while the list head is reset to {self, self}. The waitqueue and spinlock in dvr_buffer are already properly initialized once in dvb_dmxdev_init(). The open path only needs to reset the buffer data pointer, size, and read/write positions. Replace the dvb_ringbuffer_init() call in dvb_dvr_open() with direct assignment of data/size and a call to dvb_ringbuffer_reset(), which properly resets pread, pwrite, and error with correct memory ordering without touching the waitqueue or spinlock.

References

NVD — CVE-2026-23253 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-23253
cert-portal.siemens.com/productcert/html/ss... WEB
https://cert-portal.siemens.com/productcert/html/ssa-784472.html
git.kernel.org/stable/c/32eb8e4adc... WEB
https://git.kernel.org/stable/c/32eb8e4adc207ef31bc6e5ae56bab940b0176066
git.kernel.org/stable/c/527cfa8a34... WEB
https://git.kernel.org/stable/c/527cfa8a3486b3555c5c15e2f62be484a11398dc
git.kernel.org/stable/c/af050ab44f... WEB
https://git.kernel.org/stable/c/af050ab44fa1b1897a940d7d756e512232f5e5df
git.kernel.org/stable/c/bfbc0b5b32... WEB
https://git.kernel.org/stable/c/bfbc0b5b32a8f28ce284add619bf226716a59bc0
git.kernel.org/stable/c/cfd9464202... WEB
https://git.kernel.org/stable/c/cfd94642025e6f71c8f754bdec0800ee95e4f3dd
git.kernel.org/stable/c/d71781bad5... WEB
https://git.kernel.org/stable/c/d71781bad59b1c9d60d7068004581f9bf19c0c9d
git.kernel.org/stable/c/f1e520ca2e... WEB
https://git.kernel.org/stable/c/f1e520ca2e83ece6731af6167c9e5e16931ecba0
git.kernel.org/stable/c/fb378cf89b... WEB
https://git.kernel.org/stable/c/fb378cf89be434ed1f10ab79cc4788fba8ae868d

Frequently Asked Questions

What is CVE-2026-23253?
CVE-2026-23253 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-665: Improper Initialization.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-23253?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-23253?
CVE-2026-23253 has a CVSS v3.1 base score of 7.8 (HIGH) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2026-23253?
CVE-2026-23253 is classified under CWE-665: Improper Initialization (The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.).
How can I check Maven dependencies for CVE-2026-23253?
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 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-2m3p-78c9-6w3j",
  "modified" : "2026-10-15T03:35:19Z",
  "published" : "2026-03-18T18:31:17Z",
  "aliases" : [ "CVE-2026-23253" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-core: fix wrong reinitialization of ringbuffer on reopen\n\ndvb_dvr_open() calls dvb_ringbuffer_init() when a new reader opens the\nDVR device.  dvb_ringbuffer_init() calls init_waitqueue_head(), which\nreinitializes the waitqueue list head to empty.\n\nSince dmxdev->dvr_buffer.queue is a shared waitqueue (all opens of the\nsame DVR device share it), this orphans any existing waitqueue entries\nfrom io_uring poll or epoll, leaving them with stale prev/next pointers\nwhile the list head is reset to {self, self}.\n\nThe waitqueue and spinlock in dvr_buffer are already properly\ninitialized once in dvb_dmxdev_init().  The open path only needs to\nreset the buffer data pointer, size, and read/write positions.\n\nReplace the dvb_ringbuffer_init() call in dvb_dvr_open() with direct\nassignment of data/size and a call to dvb_ringbuffer_reset(), which\nproperly resets pread, pwrite, and error with correct memory ordering\nwithout touching the waitqueue or spinlock.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-23253"
  }, {
    "type" : "WEB",
    "url" : "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/32eb8e4adc207ef31bc6e5ae56bab940b0176066"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/527cfa8a3486b3555c5c15e2f62be484a11398dc"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/af050ab44fa1b1897a940d7d756e512232f5e5df"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/bfbc0b5b32a8f28ce284add619bf226716a59bc0"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/cfd94642025e6f71c8f754bdec0800ee95e4f3dd"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/d71781bad59b1c9d60d7068004581f9bf19c0c9d"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/f1e520ca2e83ece6731af6167c9e5e16931ecba0"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/fb378cf89be434ed1f10ab79cc4788fba8ae868d"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-665" ],
    "severity" : "HIGH",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-03-18T18:16:23Z"
  }
}