{"id":78476,"date":"2026-05-14T17:46:25","date_gmt":"2026-05-14T14:16:25","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-6637-postgresql-refint-allows-stack-buffer-overflow-and-sql-injection\/"},"modified":"2026-05-14T17:46:25","modified_gmt":"2026-05-14T14:16:25","slug":"cve-2026-6637-postgresql-refint-allows-stack-buffer-overflow-and-sql-injection","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-6637-postgresql-refint-allows-stack-buffer-overflow-and-sql-injection\/","title":{"rendered":"CVE-2026-6637 &#8211; PostgreSQL refint allows stack buffer overflow and SQL injection"},"content":{"rendered":"<p>CVE ID :CVE-2026-6637<\/p>\n<p>  Published : May 14, 2026, 2:16 p.m. | 42\u00a0minutes ago<\/p>\n<p>  Description :Stack buffer overflow in PostgreSQL module &#8220;refint&#8221; allows an unprivileged database user to execute arbitrary code as the operating system user running the database.  A distinct attack is possible if the application declares a user-controlled column as a &#8220;refint&#8221; cascade primary key and facilitates user-controlled updates to that column.  In that case, a SQL injection allows a primary key update value provider to execute arbitrary SQL as the database user performing the primary key update.  Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.<\/p>\n<p>  Severity: 8.8 | HIGH<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-6637 Published : May 14, 2026, 2:16 p.m. | 42\u00a0minutes ago Description :Stack buffer overflow in PostgreSQL module &#8220;refint&#8221; allows an unprivileged database user to execute arbitrary code as the operating system user running the database. A distinct attack is possible if the application declares a user-controlled column as a &#8220;refint&#8221; cascade primary &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-78476","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78476","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=78476"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78476\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=78476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=78476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=78476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}