CVE-2019-3553: C++ Facebook Thrift servers would not error upon receiving messages declaring containers of sizes larger than the payload. As a result, malicious clients could send short messages which would result in a large memory allocation, potentially leading to denial of service. This issue affects Facebook Thrift prior to v2020.02.03.00.

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2020-Mar

Released

2026-08-07

EPSS Score

2.13% (percentile: 80.9%)

Affected Products (1)

Other

• 17626-17084

Revision History

• 2026-08-07: Information published.