{"id":80738,"date":"2026-06-18T18:14:32","date_gmt":"2026-06-18T14:44:32","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-11791-389-ds-base-389-ds-base-use-after-free-in-schema-reload-via-attr_syntax_swap_ht\/"},"modified":"2026-06-18T18:14:32","modified_gmt":"2026-06-18T14:44:32","slug":"cve-2026-11791-389-ds-base-389-ds-base-use-after-free-in-schema-reload-via-attr_syntax_swap_ht","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-11791-389-ds-base-389-ds-base-use-after-free-in-schema-reload-via-attr_syntax_swap_ht\/","title":{"rendered":"CVE-2026-11791 &#8211; 389-ds-base: 389-ds-base: use-after-free in schema reload via attr_syntax_swap_ht()"},"content":{"rendered":"<p>CVE ID :CVE-2026-11791<\/p>\n<p>  Published : June 18, 2026, 2:44 p.m. | 58\u00a0minutes ago<\/p>\n<p>  Description :A flaw was found in 389 Directory Server. During schema reload, the attr_syntax_swap_ht() function unconditionally frees attribute syntax information nodes, bypassing the refcount-based deferred deletion used elsewhere in the attribute syntax subsystem. If an administrator triggers schema reload while concurrent LDAP query traffic is active, worker threads may access freed memory, resulting in use-after-free or double-free and a denial of service (server crash).<\/p>\n<p>  Severity: 5.0 | MEDIUM<\/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-2026-11791 Published : June 18, 2026, 2:44 p.m. | 58\u00a0minutes ago Description :A flaw was found in 389 Directory Server. During schema reload, the attr_syntax_swap_ht() function unconditionally frees attribute syntax information nodes, bypassing the refcount-based deferred deletion used elsewhere in the attribute syntax subsystem. If an administrator triggers schema reload while concurrent LDAP &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-80738","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80738","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=80738"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80738\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}