---
title: "CVE-2026-100236: DPDK - Out of Bounds Read/Write"
description: "DPDK GSO library contains a buffer underflow caused by improper header size validation during software GSO packet header copying, letting remote or guest attackers trigger out-of-bounds read or write, exploit requires crafted packet."
url: https://panop.io/threat-heartbeat/CVE-2026-100236/
---

# CVE-2026-100236 DPDK - Out of Bounds Read/Write

DPDK GSO library contains a buffer underflow caused by improper header size validation during software GSO packet header copying, letting remote or guest attackers trigger out-of-bounds read or write, exploit requires crafted packet.

CVSS base score 8.6 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100236)

## Details

Type

Out of Bounds Read/Write

Impact

Out Of Bounds Rw, Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-787](https://cwe.mitre.org/data/definitions/787.html)

## Vendor fix

Update to the latest version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-100236](https://nvd.nist.gov/vuln/detail/CVE-2026-100236)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=2541488](https://bugzilla.redhat.com/show_bug.cgi?id=2541488)
- [https://access.redhat.com/security/cve/CVE-2026-100236](https://access.redhat.com/security/cve/CVE-2026-100236)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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