What’s Vulnerable › Vulnerabilities

CVE-2026-19696: Out-of-bounds Write in Wireshark

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-08-13 · updated 2026-10-23
• Weakness: CWE-787

Description

Ixia IxVeriWave and Vector Informatik BLF file parser crashes in 4.6.0 to 4.6.7 allows denial of service on Windows

Affected products

• Wireshark Foundation Wireshark: from 4.6.0 before 4.6.8 — fixed in 4.6.8

How to fix

Upgrade to a fixed version: Wireshark Foundation Wireshark 4.6.8. Check the vendor advisory for mitigations.

References

• https://gitlab.com/wireshark/wireshark/-/work_items/21455
• https://www.wireshark.org/security/wnpa-sec-2026-82.html
• https://gitlab.com/wireshark/wireshark/-/work_items/21455

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