CVE-2018-1333

DoS for HTTP/2 connections by crafted requests

N/A
Published: June 18, 2018 at 06:00 PM UTC
Updated: June 17, 2026 at 01:51 AM UTC
6 products affected across 4 vendorsUbuntu LinuxHTTP ServerCloud Backup

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Severity
N/A
Exploit prediction
EPSS 17%

Description

By specially crafting HTTP/2 requests, workers would be allocated 60 seconds longer than necessary, leading to worker exhaustion and a denial of service. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.18-2.4.30,2.4.33).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.4.18 ≤ v ≤ 2.4.302.4.33
Vendor states this is fixed in 2.4.34 (unaffected)
All versions
redhat-enterprise-linux (environment)
All versions

CVSS

Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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