{"cve":"CVE-2019-3553","nvd":{"published":"2020-03-10T21:15:11.747","modified":"2026-06-17T02:35:13.100","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://github.com/facebook/fbthrift/commit/3f156207e8a6583d88999487e954320dc18955e6","https://github.com/facebook/fbthrift/commit/c9a903e5902834e95bbd4ab0e9fa53ba0189f351","https://www.facebook.com/security/advisories/cve-2019-3553","https://github.com/facebook/fbthrift/commit/3f156207e8a6583d88999487e954320dc18955e6","https://github.com/facebook/fbthrift/commit/c9a903e5902834e95bbd4ab0e9fa53ba0189f351"],"products":["facebook:thrift"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2019-3553","score":0.02128,"percentile":0.81943,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}