CVE-2023-0413
Wireshark vulnerability analysis and mitigation

Overview

A dissection engine bug was discovered in Wireshark versions 4.0.0 to 4.0.2 and 3.6.0 to 3.6.10. The vulnerability was identified on January 18, 2023, and was assigned CVE-2023-0413. The issue affects the conversation tracking module in Wireshark's dissection engine (Wireshark Advisory).

Technical details

The vulnerability stems from a bug in the conversation tracking module of Wireshark's dissection engine. The issue affects multiple dissectors that interact with this module, potentially leading to application crashes when processing certain network traffic (Wireshark Advisory, NVD).

Impact

The vulnerability allows for denial of service attacks against Wireshark installations. When exploited, it can cause the application to crash during packet processing, disrupting network traffic analysis capabilities (NVD, Debian LTS).

Mitigation and workarounds

The vulnerability has been fixed in Wireshark versions 4.0.3 and 3.6.11. Users are advised to upgrade to these or later versions to protect against this vulnerability. For Debian 10 (buster) users, the fix is available in version 2.6.20-0+deb10u5 (Wireshark Advisory, Debian LTS).

Additional resources


SourceThis report was generated using AI

Related Wireshark vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-13946MEDIUM5.5
  • WiresharkWireshark
  • wireshark-cli
NoYesDec 03, 2025
CVE-2025-13945MEDIUM5.5
  • WiresharkWireshark
  • wireshark-devel
NoYesDec 03, 2025
CVE-2025-13674MEDIUM5.5
  • WiresharkWireshark
  • wireshark
NoYesNov 26, 2025
CVE-2025-13499MEDIUM5.5
  • WiresharkWireshark
  • cpe:2.3:a:wireshark:wireshark
NoYesNov 21, 2025
CVE-2025-11626MEDIUM5.5
  • WiresharkWireshark
  • wireshark-gnome
NoYesOct 10, 2025

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management