CVE-2014-0098

The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server before 2.4.8 allows remote attackers to cause a denial of service (segmentation fault and daemon crash) via a crafted cookie that is not properly handled during truncation.

Published: 2014-03-18 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-0098 is rated Moderate Risk (59.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 50.79%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +9.77% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-0098

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-08 41.02% 50.79% +9.77%
2 2026-03-08 40.76% 41.02% +0.26%
3 2026-03-04 40.76%

Full EPSS history (45 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-0098

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2014-0098

OS Trackers for CVE-2014-0098

vendor priority summary link
debian not yet assigned CVE-2014-0098 not yet assigned priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-0098
gentoo high CVE-2014-0098: 1 GLSA(s) (201408-12), 1 atom(s) (www-servers/apache); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-0098
redhat low https://access.redhat.com/security/cve/CVE-2014-0098
suse medium CVE-2014-0098 severity moderate: SUSE including 108 source package names (apache2, apache2-2.2.12-1.46.1, …), 347 product×package rows across 72 product lines (HPE Helion OpenStack 8, SLES for SAP Applications 11 SP2, … (72 product lines)): Known Not Affected 199, Fixed 148. https://www.suse.com/security/cve/CVE-2014-0098/
ubuntu medium CVE-2014-0098 medium priority: Ubuntu including 1 source packages (apache2), 5 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): released 4, not-affected 1. https://ubuntu.com/security/CVE-2014-0098

Affected software / configurations for CVE-2014-0098

Vendor Product Version Raw CPE
apache http_server >= 2.2.0, < 2.2.27 cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
apache http_server >= 2.4.1, < 2.4.9 cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
oracle http_server 10.1.3.5.0 cpe:2.3:a:oracle:http_server:10.1.3.5.0:*:*:*:*:*:*:*
oracle http_server 11.1.1.7.0 cpe:2.3:a:oracle:http_server:11.1.1.7.0:*:*:*:*:*:*:*
oracle http_server 12.1.2.0 cpe:2.3:a:oracle:http_server:12.1.2.0:*:*:*:*:*:*:*
oracle http_server 12.1.3.0 cpe:2.3:a:oracle:http_server:12.1.3.0:*:*:*:*:*:*:*
oracle secure_global_desktop 4.63 cpe:2.3:a:oracle:secure_global_desktop:4.63:*:*:*:*:*:*:*
oracle secure_global_desktop 4.71 cpe:2.3:a:oracle:secure_global_desktop:4.71:*:*:*:*:*:*:*
oracle secure_global_desktop 5.0 cpe:2.3:a:oracle:secure_global_desktop:5.0:*:*:*:*:*:*:*
oracle secure_global_desktop 5.1 cpe:2.3:a:oracle:secure_global_desktop:5.1:*:*:*:*:*:*:*
canonical ubuntu_linux 10.04 cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
canonical ubuntu_linux 12.10 cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
canonical ubuntu_linux 13.10 cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*

References for CVE-2014-0098

URL Tags
http://advisories.mageia.org/MGASA-2014-0135.html Third Party Advisory
http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html Broken Link
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698 Third Party Advisory
http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html Broken Link Mailing List
http://marc.info/?l=bugtraq&m=141017844705317&w=2 Issue Tracking Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=141390017113542&w=2 Issue Tracking Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2014/Dec/23 Mailing List Third Party Advisory
http://secunia.com/advisories/58230 Not Applicable
http://secunia.com/advisories/58915 Not Applicable
http://secunia.com/advisories/59219 Not Applicable
http://secunia.com/advisories/59315 Not Applicable
http://secunia.com/advisories/59345 Not Applicable
http://secunia.com/advisories/60536 Not Applicable
http://security.gentoo.org/glsa/glsa-201408-12.xml Third Party Advisory
http://support.f5.com/kb/en-us/solutions/public/15000/300/sol15320.html Third Party Advisory
http://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES Vendor Advisory
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/loggers/mod_log_config.c Vendor Advisory
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/loggers/mod_log_config.c?r1=1575394&r2=1575400&diff_format=h Patch Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21668973 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21676091 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21676092 Third Party Advisory
http://www.apache.org/dist/httpd/CHANGES_2.4.9 Broken Link
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html Third Party Advisory
http://www.securityfocus.com/archive/1/534161/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/66303 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2152-1 Third Party Advisory
http://www.vmware.com/security/advisories/VMSA-2014-0012.html Third Party Advisory
https://blogs.oracle.com/sunsecurity/entry/multiple_input_validation_vulnerabilities_in1 Third Party Advisory
https://httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
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/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%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/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%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/r9821b0a32a1d0a1b4947abb6f3630053fcbb2ec905d9a32c2bd4d4ee%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%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/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%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/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%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://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
https://puppet.com/security/cve/cve-2014-0098 Third Party Advisory
https://support.apple.com/HT204659 Third Party Advisory
https://support.apple.com/kb/HT6535 Third Party Advisory
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