CVE-2018-1333

HIGH

Apache HTTP Server 2.4.18-2.4.30,2.4.33 - Denial of Service via HTTP/2 Request Handling

Title source: llm

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).

References (21)

Core 21

Core References

Third Party Advisory vendor-advisory x_refsource_redhat

https://access.redhat.com/errata/RHSA-2018:3558

Third Party Advisory x_refsource_confirm

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us

Third Party Advisory vendor-advisory x_refsource_redhat

https://access.redhat.com/errata/RHSA-2019:0367

Third Party Advisory x_refsource_confirm

https://security.netapp.com/advisory/ntap-20180926-0007/

Vendor Advisory x_refsource_confirm

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2018-1333

Third Party Advisory vendor-advisory x_refsource_ubuntu

https://usn.ubuntu.com/3783-1/

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1041402

Third Party Advisory vendor-advisory x_refsource_redhat

https://access.redhat.com/errata/RHSA-2019:0366

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E

Third Party Advisory x_refsource_confirm

https://www.tenable.com/security/tns-2019-09

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9%40%3Ccvs.httpd.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E

Scores

CVSS v3 7.5

EPSS 0.2081

EPSS Percentile 95.7%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-400

Status published

Products (6)

apache/http_server 2.4.33

apache/http_server 2.4.18 - 2.4.30

canonical/ubuntu_linux 18.04

netapp/cloud_backup

netapp/storage_automation_store

redhat/jboss_core_services 1.0

Published Jun 18, 2018

Tracked Since Feb 18, 2026