---
id: CVE-2026-94084
title: >-
  Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a
  transaction is inspected by rules that use http.response_header with and
  without a transform.
summary: >-
  Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a
  transaction is inspected by rules that use http.response_header with and
  without a transform.
severity: critical
cvss: 9.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L'
cwe:
  - CWE-416
vendor: OISF
product: Suricata
affected:
  - Suricata < 8.0.7
published: '2026-09-20'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T19:44:01.280'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-94084'
references:
  - url: 'https://forum.suricata.io/t/suricata-8-0-7-released/6467'
    label: cve@mitre.org
  - url: >-
      https://github.com/OISF/suricata/commit/1d66355dc8737bb2ae7a198115b3067e3ad49808
    label: cve@mitre.org
  - url: 'https://github.com/OISF/suricata/compare/suricata-8.0.6...suricata-8.0.7'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
epss: 0.0054
epssPercentile: 0.43034
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-22T18:24:29.351972Z'
ingestedAt: '2026-09-20T02:12:35.982Z'
---

## Overview

Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use http.response_header with and without a transform.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.