PT-2026-36256 · Wireshark · Wireshark

Danzation + 1 · Published 2026-03-20 · Updated 2026-05-30 · CVE-2026-5405

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Wireshark versions 4.6.0 through 4.6.4 Wireshark versions 4.4.0 through 4.4.14

Description A crash in the RDP protocol dissector allows for denial of service and possible code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

BDU:2026-06400

CVE-2026-5405

OESA-2026-2225

OESA-2026-2226

OESA-2026-2227

OESA-2026-2228

OPENSUSE-SU-2026:10686-1

RHSA-2026:20600

Affected Products

Wireshark

References · 103

• 🔥 https://gitlab.com/wireshark/wireshark/-/issues/21105 · Exploit
• 🔥 https://gitlab.com/wireshark/wireshark/-/work_items/21105 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7375 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7379 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5404 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6532 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-5405 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-6520 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5299 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6868 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6519 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5408 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7376 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5653 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6521 · Security Note