PT-2026-78849 · Wireshark · Wireshark

CVE-2026-76888

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Published

2026-08-19

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Updated

2026-08-30

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 heap-based buffer overflow occurs in the RDP protocol dissector, which can lead to a crash and result in a denial of service.
Recommendations Update Wireshark versions 4.6.0 through 4.6.7 to a newer version. Update Wireshark versions 4.4.0 through 4.4.18 to a newer version.

Exploit

Fix

DoS

Heap Based Buffer Overflow

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Weakness Enumeration

CWE-122

Related Identifiers

AZL-96818
CVE-2026-76888
OESA-2026-3584
OPENSUSE-SU-2026:11579-1

Affected Products

Wireshark