{"id":"CVE-2007-0556","url":"https://www.cyber-defence.io/tools/cve/CVE-2007-0556","generatedAt":"2026-10-27T19:38:46.490Z","title":"The query planner in PostgreSQL before 8.0.11, 8.1 before 8.1.7, and 8.2 before 8.2.2 does not verify that a table is compatible with a \"previously made query plan,\" which allows remote authenticated users to cause a denial of service (server crash) and…","description":"The query planner in PostgreSQL before 8.0.11, 8.1 before 8.1.7, and 8.2 before 8.2.2 does not verify that a table is compatible with a \"previously made query plan,\" which allows remote authenticated users to cause a denial of service (server crash) and possibly access database content via an \"ALTER COLUMN TYPE\" SQL statement, which can be leveraged to read arbitrary memory from the server.","published":"2007-02-06T01:28:00.000Z","lastModified":"2026-06-16T22:35:49.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":6.6,"severity":"MEDIUM","vector":"AV:N/AC:H/Au:S/C:C/I:N/A:C"},"cwe":[],"affected":["postgresql/postgresql"],"epss":{"score":0.0303,"percentile":0.87393,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (3.03%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://fedoranews.org/cms/node/2554","source":"cve@mitre.org"},{"url":"http://lists.rpath.com/pipermail/security-announce/2007-February/000141.html","source":"cve@mitre.org"},{"url":"http://osvdb.org/33302","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24028","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24033","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24042","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24050","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24057","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24151","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24315","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24513","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24577","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/25220","source":"cve@mitre.org"},{"url":"http://security.gentoo.org/glsa/glsa-200703-15.xml","source":"cve@mitre.org"},{"url":"http://securitytracker.com/id?1017597","source":"cve@mitre.org"},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-26-102825-1","source":"cve@mitre.org"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2007-117.htm","source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2007:037","source":"cve@mitre.org"},{"url":"http://www.novell.com/linux/security/advisories/2007_10_sr.html","source":"cve@mitre.org"},{"url":"http://www.postgresql.org/support/security","source":"cve@mitre.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2007-0067.html","source":"cve@mitre.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2007-0068.html","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/459280/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/459448/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/22387","source":"cve@mitre.org"},{"url":"http://www.trustix.org/errata/2007/0007","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/usn-417-2","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2007/0478","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2007/0774","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/32191","source":"cve@mitre.org"},{"url":"https://issues.rpath.com/browse/RPL-1025","source":"cve@mitre.org"},{"url":"https://issues.rpath.com/browse/RPL-830","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11353","source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/417-1/","source":"cve@mitre.org"},{"url":"http://fedoranews.org/cms/node/2554","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.rpath.com/pipermail/security-announce/2007-February/000141.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/33302","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24028","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24033","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24042","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24050","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24057","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24151","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24315","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24513","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/24577","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/25220","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.gentoo.org/glsa/glsa-200703-15.xml","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1017597","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-26-102825-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.avaya.com/elmodocs2/security/ASA-2007-117.htm","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2007:037","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.novell.com/linux/security/advisories/2007_10_sr.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.postgresql.org/support/security","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2007-0067.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2007-0068.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/459280/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/459448/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/22387","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.trustix.org/errata/2007/0007","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2007-0556","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."}