CVE Vulnerabilities

CVE-2017-7659

NULL Pointer Dereference

Published: Jul 26, 2017 | Modified: Apr 20, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
5.9 MODERATE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
root.io logo minimus.io logo echo.ai logo

A maliciously constructed HTTP/2 request could cause mod_http2 in Apache HTTP Server 2.4.24, 2.4.25 to dereference a NULL pointer and crash the server process.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
Http_serverApache2.4.24 (including)2.4.24 (including)
Http_serverApache2.4.25 (including)2.4.25 (including)
Red Hat Software Collections for Red Hat Enterprise Linux 6RedHathttpd24-httpd-0:2.4.25-9.el6.1*
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSRedHathttpd24-httpd-0:2.4.25-9.el6.1*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHathttpd24-httpd-0:2.4.25-9.el7.1*
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSRedHathttpd24-httpd-0:2.4.25-9.el7.1*
Apache2Ubuntudevel*
Apache2Ubuntuupstream*

Potential Mitigations

References