7.5

CVE-2018-6347: facebook proxygen Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
Published 31-12-2018Last modified 06-05-2025
Open JSON

Vulnerability summary

CVE-2018-6347 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in facebook proxygen. EPSS estimates a 1.37% chance of exploitation in the next 30 days, higher than 71.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.37%
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. 31-12-2018
    PublishedVulnerability first disclosed.
  2. 06-05-2025
    Last modifiedVulnerability information updated.

Description

An issue in the Proxygen handling of HTTP2 parsing of headers/trailers can lead to a denial-of-service attack. This affects Proxygen prior to v2018.12.31.00.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

1.37%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.37% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.37%

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
  • proxygenv2018.12.31.00 | ≥ unspecified, ≤ v2018.12.31.00
Proxygen_project1 product

2 vendors · 2 products

References

1 links