CVE-2023-45233: Tianocore EDK2

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

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.

Affected products

• Tianocore EDK2: up to and including 202311

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