CVE-2023-45229 MEDIUM

CVE-2023-45229: Out-of-Bounds Read in EDK II Network Package

Vendor Tianocore
Product edk2
Weakness CWE-125
Published January 16, 2024
Last update November 4, 2025

CVSS base score

6.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

Key dates

02Disclosure timeline

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