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CVE-2026-6531 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-6531

CVE-2026-6531

MEDIUM5.5

Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

Published Apr 30, 2026

Modified 2 weeks ago

Fix available

Details

SANE protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 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:

4.4.154.6.5

References

https://gitlab.com/wireshark/wireshark/-/issues/21139

https://gitlab.com/wireshark/wireshark/-/work_items/21139

https://www.cve.org/CVERecord?id=CVE-2026-6531

https://www.wireshark.org/security/wnpa-sec-2026-30.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(18)

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

Timeline

PublishedApr 30, 2026

ModifiedApr 30, 2026