---
id: CVE-2026-95389
title: >-
  SCTP protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows
  denial of service
summary: >-
  SCTP protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows
  denial of service
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-122
vendor: wireshark
product: wireshark
affected:
  - 'wireshark >= 4.4.0, < 4.4.19'
  - 'wireshark >= 4.6.0, < 4.6.9'
patched:
  - wireshark 4.6.9
published: '2026-09-29'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T01:33:39.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-95389'
references:
  - url: 'https://gitlab.com/wireshark/wireshark/-/work_items/21481'
    label: cve@gitlab.com
  - url: 'https://www.wireshark.org/security/wnpa-sec-2026-93.html'
    label: cve@gitlab.com
  - url: 'https://gitlab.com/wireshark/wireshark/-/work_items/21481'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-95389.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-95389'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2543037'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-95389'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-95389'
  - url: 'https://access.redhat.com/errata/RHSA-2026:84721'
tags:
  - nvd
  - cve.org
  - exploit-available
  - csaf
  - vex
  - red-hat
epss: 0.00337
epssPercentile: 0.27253
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-29T15:16:36.326142Z'
scores:
  nvd: 8.1
  vendor: 7.8
ingestedAt: '2026-09-29T10:31:36.317Z'
---

## Overview

SCTP protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service

## Affected

- `wireshark >= 4.4.0, < 4.4.19`
- `wireshark >= 4.6.0, < 4.6.9`

## Remediation

Upgrade past the affected range:

- `wireshark 4.6.9`

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-09-29 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-95389.json)
- **RHSA-2026:84721** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-10-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:84721)