CVE & CISA-KEV Catalog

CVE-2026-5405

HIGH

7.8

CVSS v3

Description

RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

CWE-122Heap-based Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

wiresharkDebian

Fixed in:4.0.17-0+deb12u3CVE-2026-5405

Fixed in:4.4.15-0+deb13u1CVE-2026-5405

Fixed in:4.6.5-1CVE-2026-5405

wiresharkRocky

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

wiresharkRed Hat / RHEL

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

wireshark-cliRed Hat / RHEL

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

wireshark-cliRocky

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

wireshark-cli-debuginfoRocky

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

wireshark-cli-debuginfoRed Hat / RHEL

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

wireshark-debuginfoRocky

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

wireshark-debuginfoRed Hat / RHEL

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

wireshark-debugsourceRocky

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

wireshark-debugsourceRed Hat / RHEL

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

wireshark-develRocky

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

wireshark-develRed Hat / RHEL

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-10.el10_2RHSA-2026:20600

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.16%probability of exploitation in 30 days

6thpercentile

Low risk: more likely to be exploited than 6% of all known CVEs.

References

Exploit1

gitlab.com

Vendor Advisory1

wireshark.org

Other references5

Related Vulnerabilities

Other CWE-122 (Heap-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2024-26256	High	7.8	88%	-	Fix
CVE-2020-25687	Medium	5.9	87%	-	Fix
CVE-2009-3459	High	8.8	86%	KEV	Fix
CVE-2021-21017	High	8.8	86%	KEV	-
CVE-2020-25683	Medium	5.9	86%	-	Fix

Embed a live status badge for CVE-2026-5405

Markdown

[![CVE-2026-5405](https://tridentstack.com/cve/badge/CVE-2026-5405.svg)](https://tridentstack.com/cve/CVE-2026-5405)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-5405"><img src="https://tridentstack.com/cve/badge/CVE-2026-5405.svg" alt="CVE-2026-5405"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-30.