CVE-2026-9759 - Vulnerability Details - OpenCVE

ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Wireshark Foundation

Wireshark

unaffected

Version	Status	Constraints
`4.6.0`	affected	< 4.6.6
`4.4.0`	affected	< 4.4.16

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

Upgrade to Wireshark 4.6.6 or above

Workaround

No workaround given by the vendor.

References

Link	Providers
https://gitlab.com/wireshark/wireshark/-/work_items/21243
https://www.wireshark.org/security/wnpa-sec-2026-51.html

History

Wed, 27 May 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 27 May 2026 19:30:00 +0000

Type	Values Removed	Values Added
Description		ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service
Title		NULL Pointer Dereference in Wireshark
Weaknesses		CWE-476
References		https://gitlab.com/wireshark/wireshark/-/work_items/21243 https://www.wireshark.org/security/wnpa-sec-2026-51.html
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2026-05-27T18:33:18.742Z

Updated: 2026-05-27T19:36:26.557Z

Reserved: 2026-05-27T18:16:39.521Z

Link: CVE-2026-9759

Vulnrichment

Updated: 2026-05-27T19:36:21.604Z

NVD

Status : Received

Published: 2026-05-27T20:16:46.797

Modified: 2026-05-27T20:16:46.797

Link: CVE-2026-9759

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

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