CVE-2024-0207

HIGH
2024-01-03 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 19:33 vuln.today
PoC Detected
Nov 21, 2024 - 08:46 vuln.today
Public exploit code
CVE Published
Jan 03, 2024 - 08:15 nvd
HIGH 7.8

Tags

Buffer Overflow Information Disclosure Denial Of Service Wireshark

Description

HTTP3 dissector crash in Wireshark 4.2.0 allows denial of service via packet injection or crafted capture file

Analysis

HTTP3 dissector crash in Wireshark 4.2.0 allows denial of service via packet injection or crafted capture file. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. HTTP3 dissector crash in Wireshark 4.2.0 allows denial of service via packet injection or crafted capture file Affected products include: Wireshark.

Affected Products

Wireshark.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.

Priority Score

59
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +39
POC: +20

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CVE-2024-0207 vulnerability details – vuln.today
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