CVE-2026-72339: Software Security Vulnerability Vulnerability

CRITICAL
Advisory Identifier: GHSA-447g-7f2j-g4vp
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CVSS 9.8
Published
Advisory Summary

CVE-2026-72339 is a CRITICAL (CVSS 9.8) security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2026-72339 at a Glance

CVE Identifier CVE-2026-72339
GHSA Identifier GHSA-447g-7f2j-g4vp
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification General Security Weakness
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 9.8

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

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
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-2026-72339

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-2026-72339, 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: qede: fix off-by-one in BD ring consumption on build_skb failure qede_rx_build_skb() and qede_tpa_rx_build_skb() do not check for a NULL return from qede_build_skb(). When it returns NULL under memory pressure, the functions still consume a BD from the ring before returning NULL. The callers then recycle additional BDs, resulting in one extra BD being consumed (off-by-one). This desynchronizes the BD ring, which can corrupt DMA page reference counts and lead to SLUB freelist corruption. Commit 4e910dbe3650 ("qede: confirm skb is allocated before using") added a NULL check inside qede_build_skb() to prevent a NULL pointer dereference, but did not address the missing NULL checks in the callers, making this off-by-one reachable. Fix this by adding NULL checks for the return value of qede_build_skb() in both qede_rx_build_skb() and qede_tpa_rx_build_skb(), returning NULL immediately before any BD ring manipulation.

References

NVD — CVE-2026-72339 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-72339
git.kernel.org/stable/c/07be8b8adf... WEB
https://git.kernel.org/stable/c/07be8b8adf91b7ada4c3dacce064d572a6066421
git.kernel.org/stable/c/0bf78df2d3... WEB
https://git.kernel.org/stable/c/0bf78df2d3ecb1f4964ff42a7327d25845955153
git.kernel.org/stable/c/1624aa100c... WEB
https://git.kernel.org/stable/c/1624aa100c0b218181aa74e3696a389b509298cb
git.kernel.org/stable/c/814a5edac8... WEB
https://git.kernel.org/stable/c/814a5edac8c9fc04051808d5faaa93768e989281
git.kernel.org/stable/c/982d6d6bc0... WEB
https://git.kernel.org/stable/c/982d6d6bc059c5dff37a2201c2f08c14bcfcbd20
git.kernel.org/stable/c/a0a558ca7e... WEB
https://git.kernel.org/stable/c/a0a558ca7e75b49e71f8c545c30e8c005e6e4e2f
git.kernel.org/stable/c/b066420e57... WEB
https://git.kernel.org/stable/c/b066420e57f3402a52c998678b4678252ac9bb63
git.kernel.org/stable/c/ecc05d4b20... WEB
https://git.kernel.org/stable/c/ecc05d4b20220a09c9c69584fc46ca55248a374a

Frequently Asked Questions

What is CVE-2026-72339?
CVE-2026-72339 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-2026-72339?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-72339?
CVE-2026-72339 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2026-72339?
CVE-2026-72339 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-72339?
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-447g-7f2j-g4vp",
  "modified" : "2026-08-17T06:33:24Z",
  "published" : "2026-08-15T06:32:21Z",
  "aliases" : [ "CVE-2026-72339" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nqede: fix off-by-one in BD ring consumption on build_skb failure\n\nqede_rx_build_skb() and qede_tpa_rx_build_skb() do not check for a\nNULL return from qede_build_skb(). When it returns NULL under memory\npressure, the functions still consume a BD from the ring before\nreturning NULL. The callers then recycle additional BDs, resulting in\none extra BD being consumed (off-by-one). This desynchronizes the BD\nring, which can corrupt DMA page reference counts and lead to SLUB\nfreelist corruption.\n\nCommit 4e910dbe3650 (\"qede: confirm skb is allocated before using\")\nadded a NULL check inside qede_build_skb() to prevent a NULL pointer\ndereference, but did not address the missing NULL checks in the\ncallers, making this off-by-one reachable.\n\nFix this by adding NULL checks for the return value of\nqede_build_skb() in both qede_rx_build_skb() and\nqede_tpa_rx_build_skb(), returning NULL immediately before any BD ring\nmanipulation.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-72339"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/07be8b8adf91b7ada4c3dacce064d572a6066421"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/0bf78df2d3ecb1f4964ff42a7327d25845955153"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/1624aa100c0b218181aa74e3696a389b509298cb"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/814a5edac8c9fc04051808d5faaa93768e989281"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/982d6d6bc059c5dff37a2201c2f08c14bcfcbd20"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/a0a558ca7e75b49e71f8c545c30e8c005e6e4e2f"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/b066420e57f3402a52c998678b4678252ac9bb63"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/ecc05d4b20220a09c9c69584fc46ca55248a374a"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "CRITICAL",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-08-15T06:22:07Z"
  }
}