CVE-2026-63903: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-5c4f-qfw8-c34w
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Advisory Summary

CVE-2026-63903 is a security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2026-63903 at a Glance

CVE Identifier CVE-2026-63903
GHSA Identifier GHSA-5c4f-qfw8-c34w
Severity N/A
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

How to Fix CVE-2026-63903

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-2026-63903, 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: USB: serial: belkin_sa: validate interrupt status length The Belkin interrupt callback treats interrupt data as a four-byte status report and reads LSR/MSR fields at offsets 2 and 3. The interrupt-in buffer length is derived from endpoint wMaxPacketSize, and short interrupt transfers may complete successfully with a smaller actual_length. Check the completed interrupt packet length before parsing status fields so short interrupt endpoints and short successful packets are ignored instead of causing out-of-bounds or stale status-byte reads. KASAN report as below: BUG: KASAN: slab-out-of-bounds in belkin_sa_read_int_callback() Read of size 1 Call trace: belkin_sa_read_int_callback() (drivers/usb/serial/belkin_sa.c:202) __usb_hcd_giveback_urb() (drivers/usb/core/hcd.c:1630) dummy_timer() (?:?)

References

NVD — CVE-2026-63903 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-63903
git.kernel.org/stable/c/22823a319f... WEB
https://git.kernel.org/stable/c/22823a319fb2afdf02cacafbed8b613b757efbc8
git.kernel.org/stable/c/37e54d1b98... WEB
https://git.kernel.org/stable/c/37e54d1b986df35c936d81e5b59a7aa3ec6938f0
git.kernel.org/stable/c/4ce058df2e... WEB
https://git.kernel.org/stable/c/4ce058df2ee02cc2a0f0fd5cd64ce6f1482a0b65
git.kernel.org/stable/c/6a4602221c... WEB
https://git.kernel.org/stable/c/6a4602221cba7a738442328d66a2f0b1c9bf6e17
git.kernel.org/stable/c/db1e7eb620... WEB
https://git.kernel.org/stable/c/db1e7eb6203d534dad64cac2c793b69e561e657b
git.kernel.org/stable/c/f1617539ab... WEB
https://git.kernel.org/stable/c/f1617539ab90e67da788959bfd314076f093a11a
git.kernel.org/stable/c/f361359a95... WEB
https://git.kernel.org/stable/c/f361359a952da15e70e693c2d7dca5c5843eae3e
git.kernel.org/stable/c/ffb739a491... WEB
https://git.kernel.org/stable/c/ffb739a49186ea784bbd9cb91b647f062395b419

Frequently Asked Questions

What is CVE-2026-63903?
CVE-2026-63903 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-2026-63903?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2026-63903?
CVE-2026-63903 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2026-63903?
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-5c4f-qfw8-c34w",
  "modified" : "2026-07-19T18:31:45Z",
  "published" : "2026-07-19T18:31:45Z",
  "aliases" : [ "CVE-2026-63903" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: belkin_sa: validate interrupt status length\n\nThe Belkin interrupt callback treats interrupt data as a four-byte\nstatus report and reads LSR/MSR fields at offsets 2 and 3. The\ninterrupt-in buffer length is derived from endpoint wMaxPacketSize, and\nshort interrupt transfers may complete successfully with a smaller\nactual_length.\n\nCheck the completed interrupt packet length before parsing status\nfields so short interrupt endpoints and short successful packets are\nignored instead of causing out-of-bounds or stale status-byte reads.\n\nKASAN report as below:\n\nBUG: KASAN: slab-out-of-bounds in belkin_sa_read_int_callback()\nRead of size 1\nCall trace:\n  belkin_sa_read_int_callback() (drivers/usb/serial/belkin_sa.c:202)\n  __usb_hcd_giveback_urb() (drivers/usb/core/hcd.c:1630)\n  dummy_timer() (?:?)",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-63903"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/22823a319fb2afdf02cacafbed8b613b757efbc8"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/37e54d1b986df35c936d81e5b59a7aa3ec6938f0"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/4ce058df2ee02cc2a0f0fd5cd64ce6f1482a0b65"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/6a4602221cba7a738442328d66a2f0b1c9bf6e17"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/db1e7eb6203d534dad64cac2c793b69e561e657b"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/f1617539ab90e67da788959bfd314076f093a11a"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/f361359a952da15e70e693c2d7dca5c5843eae3e"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/ffb739a49186ea784bbd9cb91b647f062395b419"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-07-19T16:17:08Z"
  }
}