EUVD-2025-200733
2025-12-03
[email protected]
5.5
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Lifecycle Timeline
5
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 15, 2026 - 16:14 vuln.today
EUVD ID Assigned
Mar 15, 2026 - 16:14 euvd
EUVD-2025-200733
PoC Detected
Dec 05, 2025 - 15:08 vuln.today
Public exploit code
CVE Published
Dec 03, 2025 - 08:15 nvd
MEDIUM 5.5
Description
HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service
Analysis
HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service
Technical Context
A denial of service vulnerability allows an attacker to disrupt the normal functioning of a system, making it unavailable to legitimate users.
Affected Products
Affected products: Wireshark Wireshark
Remediation
Implement rate limiting and input validation. Use timeout mechanisms for resource-intensive operations. Deploy DDoS protection where applicable.
Priority Score
48
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: +20
Vendor Status
Ubuntu
Priority: Mediumwireshark
| Release | Status | Version |
|---|---|---|
| trusty | needs-triage | - |
| xenial | needs-triage | - |
| bionic | needs-triage | - |
| focal | needs-triage | - |
| jammy | needs-triage | - |
| noble | needs-triage | - |
| questing | needs-triage | - |
| upstream | needs-triage | - |
| plucky | ignored | end of life, was needs-triage |
Debian
wireshark
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye | fixed | 3.4.16-0+deb11u2 | - |
| bullseye (security) | fixed | 3.4.16-0+deb11u2 | - |
| bookworm | vulnerable | 4.0.17-0+deb12u1 | - |
| bookworm (security) | vulnerable | 4.0.11-1~deb12u1 | - |
| trixie | fixed | 4.4.13-0+deb13u1 | - |
| trixie (security) | fixed | 4.4.13-0+deb13u1 | - |
| forky, sid | fixed | 4.6.4-1 | - |
| (unstable) | fixed | 4.6.2-1 | - |
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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