CVE-2026-5404

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-5404
K12 RF5 file parser crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

4.7 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://gitlab.com/wireshark/wireshark/-/issues/21094 Exploit Issue Tracking Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2026-15.html Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
History

01 May 2026, 19:22

Type Values Removed Values Added
References () https://gitlab.com/wireshark/wireshark/-/issues/21094 - () https://gitlab.com/wireshark/wireshark/-/issues/21094 - Exploit, Issue Tracking, Third Party Advisory
References () https://www.wireshark.org/security/wnpa-sec-2026-15.html - () https://www.wireshark.org/security/wnpa-sec-2026-15.html - Vendor Advisory
First Time Wireshark wireshark
Wireshark
CPE cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

01 May 2026, 00:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-01 00:16

Updated : 2026-05-01 19:22

NVD link : CVE-2026-5404

Mitre link : CVE-2026-5404

CVE.ORG link : CVE-2026-5404

JSON object : View

Products Affected

wireshark

  • wireshark
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')