CVE-2019-3564 — Go Facebook Thrift servers would not error upon receiving messages with containers of fields of unknown type

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HIGH

Go Facebook Thrift servers would not error upon receiving messages with containers of fields of unknown type

Published May 6, 2019

7.5

HIGH

CVSS 3.1

EPSS 1.99%

Description

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.

Affected products

Vendor Facebook Product Facebook Thrift Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <v2019.03.04.00
- Version
  v2019.03.04.00
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Facebook

Facebook Thrift

n/a

Version	Status	Constraints
unspecified	affected	<v2019.03.04.00
v2019.03.04.00	affected	-

Ecosystem	Package	Introduced	Fixed
Go	github.com/facebook/fbthrift	0	0.31.1-0.20190225164308-c461c1bd1a3e

Remediation

No remediation recorded yet.

Metrics

1.99% 0.01994

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.01994

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.99% (0.01994)	79.96th	v5 (v2026.06.15)
Sep 20, 2026	1.99% (0.01994)	79.78th	v5 (v2026.06.15)
Jul 20, 2024	0.31% (0.00306)	70.12th	v3 (v2023.03.01)
Apr 29, 2024	0.31% (0.00306)	69.50th	v3 (v2023.03.01)
Nov 8, 2023	0.22% (0.00224)	60.52th	v3 (v2023.03.01)
Sep 3, 2023	0.18% (0.00183)	54.92th	v3 (v2023.03.01)
Mar 7, 2023	0.19% (0.00189)	54.60th	v3 (v2023.03.01)
Mar 6, 2023	0.95% (0.00954)	36.37th	v2 (v2022.01.01)
Apr 1, 2022	0.95% (0.00954)	32.50th	v2 (v2022.01.01)
Feb 4, 2022	5.74% (0.05736)	77.22th	v2 (v2022.01.01)
Feb 3, 2022	4.49% (0.04486)	75.02th	v1
Jan 6, 2022	4.49% (0.04486)	74.80th	v1
Jan 5, 2022	1.04% (0.01036)	63.73th	v5 (v2026.06.15)
Apr 14, 2021	1.04% (0.01036)	0.00th	v1

Weaknesses (3)

CWE-20

Improper Input Validation

CWE-755

CWE-834

References (7)

https://github.com/advisories/GHSA-x4rg-4545-4w7w
Advisory
https://github.com/facebook/fbthrift/commit/c461c1bd1a3e130b181aa9c854da3030cd4b5156
x_refsource_MISCPatchThird Party Advisory
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26@%3Ccommits.pulsar.apache.org%3E
https://nvd.nist.gov/vuln/detail/CVE-2019-3564
https://pkg.go.dev/vuln/GO-2021-0088
https://www.facebook.com/security/advisories/cve-2019-3564
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://github.com/advisories/GHSA-x4rg-4545-4w7w		Advisory
https://github.com/facebook/fbthrift/commit/c461c1bd1a3e130b181aa9c854da3030cd4b5156		x_refsource_MISCPatchThird Party Advisory
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E		mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26@%3Ccommits.pulsar.apache.org%3E
https://nvd.nist.gov/vuln/detail/CVE-2019-3564
https://pkg.go.dev/vuln/GO-2021-0088
https://www.facebook.com/security/advisories/cve-2019-3564		x_refsource_MISCVendor Advisory