CVE & CISA-KEV Catalog

CVE-2026-3203

MEDIUM
5.5
CVSS v3
NVD

Description

RF4CE Profile protocol dissector crash in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of service

CWE-126Buffer Over-read

How to fix

Remediation Available
wiresharkDebian
Fixed in:4.4.14-0+deb13u1CVE-2026-3203
Fixed in:4.6.4-1CVE-2026-3203
wiresharkRocky
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
wireshark-cliRocky
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
wireshark-cli-debuginfoRed Hat / RHEL
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
wireshark-cli-debuginfoRocky
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
wireshark-debuginfoRocky
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
wireshark-debuginfoRed Hat / RHEL
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
wireshark-debugsourceRocky
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
wireshark-develRed Hat / RHEL
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-3.el10_0.4RHSA-2026:26182
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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
wireshark-develRocky
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
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:1:4.4.2-4.el10_1.4RHSA-2026:9666
Fixed in:1:4.4.2-4.el10_1.4RHSA-2026:9666

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

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.16%probability of exploitation in 30 days
5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Vendor Advisory1
Issue Tracking1
Embed a live status badge for CVE-2026-3203
CVE-2026-3203 severity badge

Markdown

[![CVE-2026-3203](https://tridentstack.com/cve/badge/CVE-2026-3203.svg)](https://tridentstack.com/cve/CVE-2026-3203)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-3203"><img src="https://tridentstack.com/cve/badge/CVE-2026-3203.svg" alt="CVE-2026-3203"></a>

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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 2026-02-26.