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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-3203

CVE-2026-3203

MEDIUM5.5

Buffer Over-read in Wireshark

Published Feb 25, 2026

Modified 1 weeks ago

Fix available

Details

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

Affected Packages

Wireshark

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

4.4.144.6.4

References

https://gitlab.com/wireshark/wireshark/-/issues/21009

https://www.cve.org/CVERecord?id=CVE-2026-3203

https://www.wireshark.org/security/wnpa-sec-2026-07.html

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Weakness Type (CWE)

Other

Ecosystems(17)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1809) / Server 2019 Windows 10 (1903)Windows 10 (1909)

Timeline

PublishedFeb 25, 2026

ModifiedFeb 25, 2026

CVE-2026-3203 | Mondoo Vulnerability Intelligence