mod_lua.c in the mod_lua module in the Apache HTTP Server 2.3.x and 2.4.x through 2.4.10 does not support an httpd configuration in which the same Lua authorization provider is used with different arguments within different contexts, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by leveraging multiple Require directives, as demonstrated by a configuration that specifies authorization for one group to access a certain directory, and authorization for a second group to access a second directory.
CVE-2014-8109
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 97.4%
- KEV
- Not listed
Published
December 29, 2014
Last Modified
May 6, 2026
References (50)
- secalert@redhathttp://advisories.mageia.org/MGASA-2015-0011.html
- secalert@redhathttp://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
- secalert@redhathttp://lists.apple.com/archives/security-announce/2015/Sep/msg00004.html
- secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2015-June/159352.html
- secalert@redhathttp://www.openwall.com/lists/oss-security/2014/11/28/5
- secalert@redhathttp://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- secalert@redhathttp://www.securityfocus.com/bid/73040
- secalert@redhathttp://www.ubuntu.com/usn/USN-2523-1
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1174077
- secalert@redhathttps://github.com/apache/httpd/commit/3f1693d558d0758f829c8b53993f1749ddf6ffcb
- secalert@redhathttps://issues.apache.org/bugzilla/show_bug.cgi?id=57204
- secalert@redhathttps://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
- secalert@redhathttps://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
- secalert@redhathttps://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
- secalert@redhathttps://lists.apache.org/thread.html/r83109088737656fa6307bd99ab40f8ff0269ae58d3f7272d7048494a%40%3Ccvs.httpd.apache.org%3E
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | apache2.2-bin (2.4.10-1ubuntu1.1) @ utopic | 2026-05-28 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 11× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 21:56 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-21 22:48 UTCOSV refresh
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 14:20 UTCEG score recompute
- 2026-05-28 14:20 UTCVendor advisory
- 2026-05-28 14:20 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2014-8109?
When was CVE-2014-8109 disclosed?
Is CVE-2014-8109 actively exploited?
How do I remediate CVE-2014-8109?
Dependency Blast Radius
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