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01 Record

CVE-2019-3560

An improperly performed length calculation on a buffer in PlaintextRecordLayer could lead to an infinite loop and denial-of-service based on user input. This issue affected versions of fizz prior to

UnratedPUBLISHEDCNA: facebook
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

An improperly performed length calculation on a buffer in PlaintextRecordLayer could lead to an infinite loop and denial-of-service based on user input. This issue affected versions of fizz prior to

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
2.42% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 83.7% 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
2019-04-29 00:00Z7 YR AGO
Last updated
2025-02-13 16:27Z1 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-835Loop with Unreachable Exit Condition ('Infinite Loop')Base
  • CWE-131Incorrect Calculation of Buffer SizeBase
Data version
5.1
Document digest
dc4813f7077e37c53440e49408e68419e774add4fef9f01acda2ad7d4ef26e2d

05 Affected products

VendorProductVersionsPlatforms
Facebookfizzv2019.03.04.00, < v2019.03.04.00—

06 References