VULNERABILITY INTELLIGENCE

CVE-2018-6347

CVSS score7.5 HIGH

EPSS probability1.37%

CISA KEVNot currently listed

Published2018-12-31

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

CWE-20: Improper Input Validation
CWE-400: Uncontrolled Resource Consumption

Primary references

cve-assign@fb.com — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory