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Fencer Intel
high 7.5

CVE-2019-3564 json

Improper Input Validation and Excessive Iteration in Go Facebook Thrift

published 7y ago modified last mo. also GHSA-x4rg-4545-4w7w , GO-2021-0088 , EUVD-2022-1246

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

Go 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 v2019.03.04.00.

Patch / fix

  • go github.com/facebook/fbthrift 0.31.1-0.20190225164308-c461c1bd1a3e
  • Facebook Facebook Thrift v2019.03.04.00

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Exploit prediction

1.99% 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
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/facebook/fbthrift
<0.31.1-0.20190225164308-c461c1bd1a3e
0.31.1-0.20190225164308-c461c1bd1a3e

Affected products

  • Facebook Facebook Thrift

Classification

Weakness
  • CWE-834 Excessive Iteration
  • CWE-755 Improper Handling of Exceptional Conditions
  • CWE-20 Improper Input Validation

References

Sources

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.