What is CVE-2026-19696?

CVE-2026-19696 is a medium-severity vulnerability in Wireshark Foundation, classified under Out-of-bounds Write. CVSS score: 6.6/10. Published 2026-08-13.

How severe is CVE-2026-19696?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Buffer overflow in Wireshark Foundation

CVE-2026-19696

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

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H.

Affected products

Wireshark Foundation — versions 4.6.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@gitlab.com
cve@gitlab.com

Frequently asked questions

What is CVE-2026-19696?: CVE-2026-19696 is a medium-severity vulnerability in Wireshark Foundation, classified under Out-of-bounds Write. CVSS score: 6.6/10. Published 2026-08-13.
How severe is CVE-2026-19696?: Medium severity. CVSS v3 base score is 6.6 out of 10.