CVE-2014-5461

Exp

Buffer overflow in the vararg functions in ldo.c in Lua 5.1 through 5.2.x before 5.2.3 allows context-dependent attackers to cause a denial of service (crash) via a small number of arguments to a function with a large number of fixed arguments.

Published: 2014-09-04 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-5461 is rated High Exploit Risk (62.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.63%, 93th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2014-5461

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2014-5461

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 2026-05-05 17.34% 10.63% -6.71%
2 2026-05-04 21.59% 17.34% -4.25%
3 2026-03-04 — 21.59% —

Full EPSS history (41 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-5461

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-2014-5461

OS Trackers for CVE-2014-5461

vendor priority summary link
debian not yet assigned CVE-2014-5461 not yet assigned priority: Debian including 2 source packages (lua5.1, lua5.2), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2014-5461
gentoo normal CVE-2014-5461: 2 GLSA(s) (201701-53, 202305-23), 1 atom(s) (dev-lang/lua); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-5461
redhat medium — https://access.redhat.com/security/cve/CVE-2014-5461
ubuntu medium CVE-2014-5461 medium priority: Ubuntu including 3 source packages (lua5.1, lua5.2, lua50), 30 status rows across 10 suites (lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): released 11, not-affected 10, ignored 7, DNE 2. https://ubuntu.com/security/CVE-2014-5461

Affected software / configurations for CVE-2014-5461

Vendor Product Version Raw CPE
opensuse opensuse 12.3 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
lua lua 5.1 cpe:2.3:a:lua:lua:5.1:*:*:*:*:*:*:*
lua lua 5.1.1 cpe:2.3:a:lua:lua:5.1.1:*:*:*:*:*:*:*
lua lua 5.1.2 cpe:2.3:a:lua:lua:5.1.2:*:*:*:*:*:*:*
lua lua 5.1.3 cpe:2.3:a:lua:lua:5.1.3:*:*:*:*:*:*:*
lua lua 5.1.4 cpe:2.3:a:lua:lua:5.1.4:*:*:*:*:*:*:*
lua lua 5.1.5 cpe:2.3:a:lua:lua:5.1.5:*:*:*:*:*:*:*
lua lua 5.2.0 cpe:2.3:a:lua:lua:5.2.0:*:*:*:*:*:*:*
lua lua 5.2.1 cpe:2.3:a:lua:lua:5.2.1:*:*:*:*:*:*:*
lua lua 5.2.2 cpe:2.3:a:lua:lua:5.2.2:*:*:*:*:*:*:*
mageia mageia 3.0 cpe:2.3:o:mageia:mageia:3.0:*:*:*:*:*:*:*
mageia mageia 4.0 cpe:2.3:o:mageia:mageia:4.0:*:*:*:*:*:*:*

References for CVE-2014-5461

URL Tags
http://advisories.mageia.org/MGASA-2014-0414.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-09/msg00030.html Third Party Advisory
http://secunia.com/advisories/59890
http://secunia.com/advisories/60869
http://secunia.com/advisories/61411
http://www.debian.org/security/2014/dsa-3015 Third Party Advisory
http://www.debian.org/security/2014/dsa-3016 Third Party Advisory
http://www.lua.org/bugs.html#5.2.2-1 Patch Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2015:144 Broken Link
http://www.openwall.com/lists/oss-security/2014/08/21/1 Exploit Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/08/21/4 Exploit Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/08/27/2 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/69342 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2338-1 Third Party Advisory
https://security.gentoo.org/glsa/201701-53
https://security.gentoo.org/glsa/202305-23
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