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CVE-2012-3450

25
FAUCET Score

CVE-2012-3450 is a denial-of-service vulnerability affecting the PDO extension in PHP versions before 5.3.14 and 5.4.x before 5.4.4. It stems from improper query string parsing during prepared statement handling, allowing remote attackers to trigger an out-of-bounds read and application crash via a crafted parameter. With a CVSS score of 2.6, it has a network attack vector and high attack complexity, leading to a partial availability impact. While not actively exploited in the wild, an ExploitDB entry exists, and there is no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.3.13CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
5.3.0CPE matchmatch criteria
cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*
5.3.1CPE matchmatch criteria
cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*
5.3.2CPE matchmatch criteria
cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*
5.3.3CPE matchmatch criteria
cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
11.18%
Probability of exploitation in next 30 days
EPSS Percentile
95.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-37566 · Aug 2, 2012
This CVE's current EPSS score of 0.1118 is in the 96th percentile among its peer group of 1,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 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

Vendor Advisories (1)

redhatCVE-2012-3450

php: PDO array over-read crash

Jun 10, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-08/msg00021.html
bugs.php.net / bug.php
bugzilla.novell.com / show_bug.cgi
seclists.org / bugtraq/2012/Jun/60
debian.org / security/2012/dsa-2527
mandriva.com / security/advisories
openwall.com / lists/oss-security/2012/08/02/3
openwall.com / lists/oss-security/2012/08/02/7
php.net / ChangeLog-5.php
ubuntu.com / usn/USN-1569-1