What is CVE-2026-76928?

CVE-2026-76928 is a high-severity vulnerability in Wireshark Foundation, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-08-19.

How severe is CVE-2026-76928?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Wireshark Foundation

CVE-2026-76928

X.509IF protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Wireshark Foundation

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cve@gitlab.com
cve@gitlab.com

Frequently asked questions

What is CVE-2026-76928?: CVE-2026-76928 is a high-severity vulnerability in Wireshark Foundation, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-08-19.
How severe is CVE-2026-76928?: High severity. CVSS v3 base score is 7.5 out of 10.