CVE-2026-89882: Software Security Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-w6ch-hfjf-3q38
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CVSS 7.8
Published
Advisory Summary

CVE-2026-89882 is a HIGH (CVSS 7.8) security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2026-89882 at a Glance

CVE Identifier CVE-2026-89882
GHSA Identifier GHSA-w6ch-hfjf-3q38
Severity HIGH
CVSS v3.1 Base Score 7.8
CWE Classification General Security Weakness
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-2026-89882

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-2026-89882, 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 General Security Weakness. 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: rkvdec: hevc: guard INTER_REF_PIC_SET_PRED index underflow st_ref_pic_set_prediction() computes the reference RPS index as st_rps_idx - (delta_idx_minus1 + 1) per HEVC spec equation 7-59. Both operands are u8, so when delta_idx_minus1 + 1 exceeds the current index the subtraction wraps and the subsequent array access at calculated_rps_st_sets[ref_rps_idx] reads far out of bounds. A userspace V4L2 client that can open the RKVDEC m2m decoder can submit an EXT_SPS_ST_RPS control with INTER_REF_PIC_SET_PRED set and delta_idx_minus1 crafted to trigger the underflow. Reject the entry early when the reference index would underflow.

References

NVD — CVE-2026-89882 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-89882
git.kernel.org/stable/c/052c5ed5a1... WEB
https://git.kernel.org/stable/c/052c5ed5a1d96a6b24fd50ccda16fc6841ee7ca3
git.kernel.org/stable/c/74938f83a8... WEB
https://git.kernel.org/stable/c/74938f83a8abbee8f502dfb5d94213b2497d1edf

Frequently Asked Questions

What is CVE-2026-89882?
CVE-2026-89882 is a security vulnerability in Software classified as a security vulnerability vulnerability under General Security Weakness.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-89882?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-89882?
CVE-2026-89882 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-2026-89882?
CVE-2026-89882 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-89882?
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-w6ch-hfjf-3q38",
  "modified" : "2026-09-16T15:31:00Z",
  "published" : "2026-09-16T12:30:39Z",
  "aliases" : [ "CVE-2026-89882" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rkvdec: hevc: guard INTER_REF_PIC_SET_PRED index underflow\n\nst_ref_pic_set_prediction() computes the reference RPS index as\nst_rps_idx - (delta_idx_minus1 + 1) per HEVC spec equation 7-59.\nBoth operands are u8, so when delta_idx_minus1 + 1 exceeds the\ncurrent index the subtraction wraps and the subsequent array access\nat calculated_rps_st_sets[ref_rps_idx] reads far out of bounds.\n\nA userspace V4L2 client that can open the RKVDEC m2m decoder can\nsubmit an EXT_SPS_ST_RPS control with INTER_REF_PIC_SET_PRED set\nand delta_idx_minus1 crafted to trigger the underflow.\n\nReject the entry early when the reference index would underflow.",
  "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-2026-89882"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/052c5ed5a1d96a6b24fd50ccda16fc6841ee7ca3"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/74938f83a8abbee8f502dfb5d94213b2497d1edf"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "HIGH",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-09-16T11:16:56Z"
  }
}