CVE-2026-3203

HIGH EPSS 5.3%
Published Feb 25, 20264mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Feb 25, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

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

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
5.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-126

Affected Products 2

VendorProductVersionRange
wiresharkwireshark*≥4.4.0  –  <4.4.14
wiresharkwireshark*≥4.6.0  –  <4.6.4

References 2

  • gitlab.com https://gitlab.com/wireshark/wireshark/-/issues/21009
    Issue Tracking
  • wireshark.org https://www.wireshark.org/security/wnpa-sec-2026-07.html
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.