CVE-2026-19696

MEDIUM 6.6

Out-of-bounds Write in Wireshark

CVSS Score

6.6

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-787
Vendor	wireshark foundation
Product	wireshark
Published	Aug 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Affected Versions

Wireshark Foundation / Wireshark

4.6.0 < 4.6.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Aisle Research (Dmitrijs Trizna, Luigino Camastra, Ze Sheng (O2Lab & TAMU), Igor Morgenstern)