{"cve":"CVE-2007-0556","nvd":{"published":"2007-02-06T01:28:00.000","modified":"2026-06-16T22:35:48.523","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://fedoranews.org/cms/node/2554","http://lists.rpath.com/pipermail/security-announce/2007-February/000141.html","http://osvdb.org/33302","http://secunia.com/advisories/24028","http://secunia.com/advisories/24033"],"products":["postgresql:postgresql"],"source":"nvd","synced_at":"2026-10-19T19:44:49.019236172+00:00"},"epss":{"cve":"CVE-2007-0556","score":0.0303,"percentile":0.87487,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}