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CVE-2012-2749

18
FAUCET Score

CVE-2012-2749 describes a denial-of-service vulnerability affecting MySQL versions 5.1.x before 5.1.63 and 5.5.x before 5.5.24. This flaw allows remote authenticated users to crash the mysqld service due to incorrect calculation and sort order index issues. The vulnerability has a CVSS score of 4.0, indicating a low severity, with an attack vector over the network, low attack complexity, and a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.1.5CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.1.5:*:*:*:*:*:*:*
5.1.23CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.1.23:*:*:*:*:*:*:*
5.1.31CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.1.31:*:*:*:*:*:*:*
5.1.32CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.1.32:*:*:*:*:*:*:*
5.1.34CPE matchmatch criteria
cpe:2.3:a:mysql:mysql:5.1.34:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.90%
Probability of exploitation in next 30 days
EPSS Percentile
77.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0190 is in the 90th percentile among its peer group of 21,957 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: mysql-0:5.0.95-5.el5_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: mysql-0:5.1.66-1.el6_3
View patch

Vendor Advisories (1)

redhatCVE-2012-2749Low

mysql: crash caused by wrong calculation of key length for sort order index

Apr 4, 2012

References

dev.mysql.com / doc/refman/5.1/en/news-5-1-63.html
rhn.redhat.com / errata/RHSA-2012-1462.html
rhn.redhat.com / errata/RHSA-2013-0180.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/51309
secunia.com / advisories/53372
security.gentoo.org / glsa/glsa-201308-06.xml
mandriva.com / security/advisories
securityfocus.com / bid/55120