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Fencer Intel
low 2.6

CVE-2012-3450 json

pdo_sql_parser.re in the PDO extension in PHP before 5.3.14 and 5.4.x before 5.4.4 does not properly determine the end of the query string…

published 2012-08-06 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-3412

cvss
2.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.2%
EPSS 11.2% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

pdo_sql_parser.re in the PDO extension in PHP before 5.3.14 and 5.4.x before 5.4.4 does not properly determine the end of the query string during parsing of prepared statements, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted parameter value.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-3450 updated cvss 6.8

php: PDO array over-read crash

  • Red Hat Enterprise Linux 5 php Red Hat Enterprise Linux 6 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +20 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-37566)
  2. Published

Exploit prediction

11.18% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-37566 PHP 5.4.3 - PDO Memory Access Violation Denial of Service dos, 2012-08-02

CVSS scores

assigned by version score vector
NVD 2.0 2.6 AV:N/AC:H/Au:N/C:N/I:N/A:P

Classification

Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.