{"id":35790,"date":"2026-01-15T08:48:18","date_gmt":"2026-01-15T08:48:18","guid":{"rendered":"http:\/\/localhost\/?p=35790"},"modified":"2026-01-15T08:48:18","modified_gmt":"2026-01-15T08:48:18","slug":"libxml2-unbounded-relaxng-include-recursion-leading-to-stack-overflow","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=35790","title":{"rendered":"Libxml2: unbounded relaxng include recursion leading to stack overflow_CVE-2026-0989"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. The parser does not enforce a limit on inclusion depth when resolving nested \\u003cinclude\\u003e directives. Specially crafted or overly complex schemas can cause excessive recursion during parsing. 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The parser does not enforce a limit&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,145,12,71,13,7,11,5],"class_list":["post-35790","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-37","tag-exploit","tag-low","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Libxml2: unbounded relaxng include recursion leading to stack overflow_CVE-2026-0989 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=35790\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Libxml2: unbounded relaxng include recursion leading to stack overflow_CVE-2026-0989 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. 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