CVE-2023-45235: Tianocore EDK2

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

Affected products

• Tianocore EDK2: up to and including 202311

Published 2024-01-16. Last modified 2026-06-17.