CVE-2023-45232: 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 loop vulnerability when parsing unknown options 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.