CVE-2019-3559: Facebook Thrift

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

Java Facebook Thrift servers would not error upon receiving messages with containers of fields of unknown type. As a result, malicious clients could send short messages which would take a long time for the server to parse, potentially leading to denial of service. This issue affects Facebook Thrift prior to v2019.02.18.00.

Affected products

• Facebook Thrift: before 2019.02.18.00 (fixed in 2019.02.18.00)

Published 2019-05-06. Last modified 2026-06-17.