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

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Summary

CVECVE-2026-7375
StatePUBLISHED
AssignerGitLab
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-30 06:16:16 UTC
Updated2026-05-01 19:00:59 UTC
DescriptionUDS 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

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

EPSS: 0.000140000 probability, percentile 0.025990000 (date 2026-05-05)

Problem Types: CWE-835 | CWE-835 CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1[email protected]Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
3.1CNACVSS5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Wireshark Wireshark All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Wireshark Foundation Wireshark affected 4.6.0 4.6.5 semver Not specified
CNA Wireshark Foundation Wireshark affected 4.4.0 4.4.15 semver Not specified

References

ReferenceSourceLinkTags
www.wireshark.org/security/wnpa-sec-2026-50.html [email protected] www.wireshark.org Vendor Advisory
gitlab.com/wireshark/wireshark/-/work_items/21225 [email protected] gitlab.com Exploit, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jaime Cavero (en)

Additional Advisory Data

Solutions

CNA: Upgrade to version 4.6.5 or above

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