DoS vulnerabilities in Wireshark

Description

Denial of service vulnerabilities were found in Wireshark. Malicious users can exploit these vulnerabilities to cause denial of service.

Below is a complete list of vulnerabilities:

1. Denial of service vulnerability in Wireshark dissector can be exploited remotely to cause denial of service.
2. Denial of service vulnerability in sharkd utility can be exploited remotely to cause denial of service.

Original advisories

• wnpa-sec-2026-50 – UDS protocol dissector infinite loop

• wnpa-sec-2026-49 – Sharkd utility crash
• wnpa-sec-2026-48 – Sharkd utility crash
• wnpa-sec-2026-47 – Sharkd utility memory leak

Exploitation

Public exploits exist for this vulnerability.

Related products

• Wireshark

CVE list

• CVE-2026-7375
  critical
• CVE-2026-7376
  critical
• CVE-2026-7378
  critical
• CVE-2026-7379
  critical

Read more

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