7.5

CVE-2019-3560: facebook fizz Infinite Loop

CVSS: 7.5v3.1HighModified
Published 29-04-2019Last modified 13-02-2025
Open JSON

Vulnerability summary

CVE-2019-3560 is a high (CVSS 7.5) Infinite Loop vulnerability in facebook fizz. EPSS estimates a 2.42% chance of exploitation in the next 30 days, higher than 84% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.42%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-04-2019
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

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 v2019.03.04.00.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.42%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.42% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Facebook1 product
  • fizzv2019.03.04.00 | ≥ unspecified, < v2019.03.04.00 | < 2019.03.04.00

1 vendor · 1 product

References

3 links