HTTP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6249-1 wireshark security update
Fixes

Solution

Upgrade to version 4.6.5 or above


Workaround

No workaround given by the vendor.

History

Fri, 01 May 2026 19:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

Thu, 30 Apr 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 30 Apr 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-617
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 30 Apr 2026 07:45:00 +0000

Type Values Removed Values Added
First Time appeared Wireshark
Wireshark wireshark
Vendors & Products Wireshark
Wireshark wireshark

Thu, 30 Apr 2026 05:30:00 +0000

Type Values Removed Values Added
Description HTTP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Title Stack-based Buffer Overflow in Wireshark
Weaknesses CWE-121
References
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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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-04-30T15:20:49.496Z

Reserved: 2026-04-22T16:29:24.754Z

Link: CVE-2026-6868

cve-icon Vulnrichment

Updated: 2026-04-30T14:53:07.914Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-30T06:16:16.783

Modified: 2026-05-01T19:01:36.567

Link: CVE-2026-6868

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-04-30T05:04:30Z

Links: CVE-2026-6868 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-01T05:30:09Z

Weaknesses