{"id":"CVE-2012-3450","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-3450","generatedAt":"2026-11-05T08:10:51.571Z","title":"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…","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.","published":"2012-08-06T16:55:06.000Z","lastModified":"2026-06-16T23:43:15.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":2.6,"severity":"LOW","vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["php/php"],"epss":{"score":0.11178,"percentile":0.95965,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2012-08-02","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":37566,"kind":"exploit","title":"PHP 5.4.3 - PDO Memory Access Violation Denial of Service","url":"https://www.exploit-db.com/exploits/37566","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/dos/37566.php","file":"exploits/php/dos/37566.php","published":"2012-08-02","added":"2012-08-02","updated":"2015-07-11","author":"0x721427D8","type":"dos","platform":"php","port":null,"verified":true,"codes":["CVE-2012-3450","OSVDB-82931"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/54777/info"}]},"verdict":{"level":"urgent","text":"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."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00021.html","source":"secalert@redhat.com"},{"url":"http://seclists.org/bugtraq/2012/Jun/60","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2012/dsa-2527","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:108","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/08/02/3","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/08/02/7","source":"secalert@redhat.com"},{"url":"http://www.php.net/ChangeLog-5.php","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1569-1","source":"secalert@redhat.com"},{"url":"https://bugs.php.net/bug.php?id=61755","source":"secalert@redhat.com"},{"url":"https://bugzilla.novell.com/show_bug.cgi?id=769785","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00021.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/bugtraq/2012/Jun/60","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2012/dsa-2527","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:108","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/08/02/3","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/08/02/7","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.php.net/ChangeLog-5.php","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1569-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.php.net/bug.php?id=61755","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.novell.com/show_bug.cgi?id=769785","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-3450","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}