7.8

CVE-2019-11924: facebook fizz

CVSS: 7.8v2.0HighModified
Published 20-08-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-11924 is a high (CVSS 7.8) vulnerability in facebook fizz. EPSS estimates a 2.40% chance of exploitation in the next 30 days, higher than 83.7% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
2.40%
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. 20-08-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A peer could send empty handshake fragments containing only padding which would be kept in memory until a full handshake was received, resulting in memory exhaustion. This issue affects versions v2019.01.28.00 and above of fizz, until v2019.08.05.00.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.40%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.40%

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
  • fizzv2019.08.12.00 | ≥ v2019.01.28.00, < unspecified | ≥ 2019.01.28.00, ≤ 2019.08.05.00

1 vendor · 1 product

References

3 links