CVE-2021-24028: Facebook Thrift

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

An invalid free in Thrift's table-based serialization can cause the application to crash or potentially result in code execution or other undesirable effects. This issue affects Facebook Thrift prior to v2021.02.22.00.

Affected products

• Facebook Thrift: before 2021.02.22.00 (fixed in 2021.02.22.00)

Published 2021-04-14. Last modified 2026-06-17.