PT-2026-78865 · Wireshark · Wireshark

Aisle Research

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CVE-2026-76928

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Published

2026-08-04

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Updated

2026-08-30

CVSS v2.0

7.8

High

VectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Wireshark versions 4.6.0 through 4.6.7 Wireshark versions 4.4.0 through 4.4.18
Description A NULL pointer dereference in the X.509IF protocol dissector can lead to a crash, resulting in a denial of service.
Recommendations Update Wireshark versions 4.6.0 through 4.6.7 to a version newer than 4.6.7. Update Wireshark versions 4.4.0 through 4.4.18 to a version newer than 4.4.18.

Exploit

Fix

DoS

NULL Pointer Dereference

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Weakness Enumeration

CWE-476

Related Identifiers

AZL-96833
BDU:2026-12054
CVE-2026-76928
OESA-2026-3584
OPENSUSE-SU-2026:11579-1

Affected Products

Wireshark