{"id":11578,"date":"2026-09-04T18:53:43","date_gmt":"2026-09-04T10:53:43","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2021-47996"},"modified":"2026-09-04T18:53:43","modified_gmt":"2026-09-04T10:53:43","slug":"cve-2021-47996","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2021-47996","title":{"rendered":"CVE-2021-47996 [HIGH] &#8211; Nokogiri before 1.11.4 (CRuby implementation only, when the packaged\/vendored libxml2 is u"},"content":{"rendered":"<p>Nokogiri before 1.11.4 (CRuby implementation only, when the packaged\/vendored libxml2 is used) bundles libxml2 2.9.10, which is affected by multiple vulnerabilities addressed in libxml2 2.9.12, including a memory leak in xmlSchemaValidateStream (CVE-2019-20388), a global buffer over-read in xmlEncodeEntitiesInternal (CVE-2020-24977), a heap-based buffer overflow (CVE-2021-3517), and an out-of-bounds read (CVE-2021-3518). Processing crafted XML documents may lead to denial of service, information disclosure, or memory corruption.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nokogiri before 1.11.4 (CRuby implementation only, when the packaged\/vendored libxml2 is used) bundles libxml2 2.9.10, which is affected by multiple vulnerabilities addressed in libxml2 2.9.12, includ<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11578","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11578","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}