SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-3450

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…

EXPLOIT ✓LOW 2.6EPSS 11.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 11.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 2.0
2.6 LOWAV:N/AC:H/Au:N/C:N/I:N/A:P
EPSS
11.18% probability · 96th percentile
Public exploits
1 in Exploit-DB · verified · first 2 August 2012
CISA KEV
Not listed
Affected
php/php
Source
secalert@redhat.com
EPSS trend
0%8%15%4 November 2026: 11.18%4 November 20264 November 2026

EPSS 11.2% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-37566source ↗PHP 5.4.3 - PDO Memory Access Violation Denial of Servicephp · 0x721427D8dos2 August 2012yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.