CVE-2015-0253

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-07-20 · updated 2026-06-17

Description

The read_request_line function in server/protocol.c in the Apache HTTP Server 2.4.12 does not initialize the protocol structure member, which allows remote attackers to cause a denial of service (NULL pointer dereference and process crash) by sending a request that lacks a method to an installation that enables the INCLUDES filter and has an ErrorDocument 400 directive specifying a local URI.

Affected products

Apache HTTP Server: 2.4.12
macOS: 10.10.4
Apple Mac Os X Server: 5.0.3
Oracle Corporation Oracle Linux: 7
Oracle Corporation Solaris Operating System: 11.3

References

http://httpd.apache.org/security/vulnerabilities_24.html
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00004.html
http://rhn.redhat.com/errata/RHSA-2015-1666.html
http://www.apache.org/dist/httpd/CHANGES_2.4
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securityfocus.com/bid/75964
http://www.securitytracker.com/id/1032967
https://bz.apache.org/bugzilla/show_bug.cgi?id=57531
https://github.com/apache/httpd/commit/6a974059190b8a0c7e499f4ab12fe108127099cb
https://github.com/apache/httpd/commit/be0f5335e3e73eb63253b050fdc23f252f5c8ae3

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