CVE-2014-3581
The cache_merge_headers_out function in modules/cache/cache_util.c in the mod_cache module in the Apache HTTP Server before 2.4.11 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty HTTP…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.6%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
The cache_merge_headers_out function in modules/cache/cache_util.c in the mod_cache module in the Apache HTTP Server before 2.4.11 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty HTTP Content-Type header.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 13.56% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- apache/http server · canonical/ubuntu linux · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server tus · oracle/enterprise manager ops center · oracle/linux
- Source
- secalert@redhat.com
EPSS 13.6% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.htmlBroken Link, Mailing List
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00004.htmlBroken Link, Mailing List
- http://rhn.redhat.com/errata/RHSA-2015-0325.htmlThird Party Advisory
- http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/CHANGES?view=markup&pathrev=1627749Release Notes, Vendor Advisory
- http://svn.apache.org/viewvc?view=revision&revision=1624234Patch, Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlThird Party Advisory
- http://www.securityfocus.com/bid/71656Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1031005Broken Link, Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2523-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1149709Issue Tracking, Patch, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/97027Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r83109088737656fa6307bd99ab40f8ff0269ae58d3f7272d7048494a%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/ra7f6aeb28661fbf826969526585f16856abc4615877875f9d3b35ef4%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
- https://security.gentoo.org/glsa/201610-02Third Party Advisory
- https://support.apple.com/HT205219Third Party Advisory
- https://support.apple.com/kb/HT205031Third Party Advisory
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.htmlBroken Link, Mailing List
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.