CVE-2026-5655 — Denial of Service
CVE-2026-5655 — SDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 allows denial of service
What This Means For You
- If your environment is affected by CWE-416, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-5655 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-5655 - Wireshark SDP Dissector DoS Attempt
title: CVE-2026-5655 - Wireshark SDP Dissector DoS Attempt
id: scw-2026-04-30-ai-1
status: experimental
level: high
description: |
Detects attempts to trigger a denial of service vulnerability (CVE-2026-5655) in Wireshark by specifically invoking the SDP dissector. This rule targets the known crash condition in Wireshark versions 4.6.0 to 4.6.4.
author: SCW Feed Engine (AI-generated)
date: 2026-04-30
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-5655/
tags:
- attack.impact
- attack.t1499
logsource:
category: process_creation
detection:
selection:
Image|endswith:
- 'wireshark.exe'
CommandLine|contains:
- '-sdp'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-5655 | vulnerability | CVE-2026-5655 |
| CWE-416 | weakness | CWE-416 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 30, 2026 at 10:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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