CVE-2023-45233 HIGH

CVE-2023-45233: Infinite loop in EDK II Network Package

Vendor Tianocore
Product edk2
Weakness CWE-835
Published January 16, 2024
Last update November 4, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.

Key dates

02Disclosure timeline

January 16, 2024 CVE published
November 4, 2025 Record updated