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CVE-2014-5461

24
FAUCET Score

CVE-2014-5461 describes a buffer overflow vulnerability in Lua versions 5.1 through 5.2.x before 5.2.3, specifically within the vararg functions in ldo.c. This flaw allows an unauthenticated, remote attacker to trigger a denial of service (crash) by providing a small number of arguments to a function expecting many fixed arguments, affecting products like Canonical, Debian, and OpenSUSE. With a CVSS score of 5.0, this vulnerability has a low attack complexity and only impacts availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.3CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
13.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
11.57%
Probability of exploitation in next 30 days
EPSS Percentile
95.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1157 is in the 95th percentile among its peer group of 23,684 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

microsoftpatch availablevia msrc
Product: azl3 ceph 18.2.2-1 on Azure Linux 3.0Fixed in: 18.2.2-1
microsoftpatch availablevia msrc
Product: azl3 ceph 18.2.2-8 on Azure Linux 3.0Fixed in: 18.2.2-1
microsoftpatch availablevia msrc
Product: 16855-17084Fixed in: 18.2.2-1
microsoftpatch availablevia msrc
Product: 19666-17084Fixed in: 18.2.2-1
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: lua
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: lua

Vendor Advisories (2)

microsoft2014-Sep/CVE-2014-5461Moderate

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.

Sep 2, 2014
redhatCVE-2014-5461Moderate

lua: overflow flaw in vararg functions

Apr 17, 2013

References

advisories.mageia.org / MGASA-2014-0414.html
Third Party Advisory
lists.opensuse.org / opensuse-updates/2014-09/msg00030.html
Third Party Advisory
secunia.com / advisories/59890
secunia.com / advisories/60869
secunia.com / advisories/61411
security.gentoo.org / glsa/201701-53
security.gentoo.org / glsa/202305-23
debian.org / security/2014/dsa-3015
Third Party Advisory
debian.org / security/2014/dsa-3016
Third Party Advisory
lua.org / bugs.html
PatchVendor Advisory
mandriva.com / security/advisories
Broken Link
openwall.com / lists/oss-security/2014/08/21/1
ExploitMailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2014/08/21/4
ExploitMailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2014/08/27/2
Mailing ListThird Party Advisory
securityfocus.com / bid/69342
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2338-1
Third Party Advisory