synced 10 MIN AGO
01 Record

CVE-2019-3558

Python 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

UnratedPUBLISHEDCNA: facebook
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Python 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.02% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 80.8% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-05-06 15:15Z7 YR AGO
Last updated
2024-08-04 19:12Z2 YR AGO
Reserved
2019-01-02
Assigning CNA
facebook
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-834Excessive IterationClass
  • CWE-755Improper Handling of Exceptional ConditionsClass
Data version
5.1
Document digest
ef00b02794352fc2c0ac1ad238afd4bbfce76580ef74a7750265894c3c6c218a

05 Affected products

VendorProductVersionsPlatforms
FacebookFacebook Thriftv2019.02.18.00, < v2019.02.18.00—

06 References

07 Fixed in

Ubuntu 16.04 LTS

  • hhvm
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • hhvm
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.