CVE-2019-3552 json
C++ Facebook Thrift servers (using cpp2) would not error upon receiving messages with containers of fields of unknown type.
published 2019-05-06 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13189
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
C++ Facebook Thrift servers (using cpp2) 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.
Patch / fix
Exploit prediction
1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Facebook Facebook Thrift
Classification
References
-
github.com
/facebook/fbthrift/commit/c5d6e07588cd03061bc54d451a7fa6e84883d62b
patch, third-party-advisory
-
securityfocus.com
/bid/108279
vdb-entry, broken-link
-
lists.apache.org
/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
mailing-list
Sources
- CVE List CVE-2019-3552
- NVD CVE-2019-3552
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.