{"id":81065,"date":"2026-06-25T15:53:55","date_gmt":"2026-06-25T12:23:55","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-40211-denial-of-service-via-crafted-doh3-queries\/"},"modified":"2026-06-25T15:53:55","modified_gmt":"2026-06-25T12:23:55","slug":"cve-2026-40211-denial-of-service-via-crafted-doh3-queries","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-40211-denial-of-service-via-crafted-doh3-queries\/","title":{"rendered":"CVE-2026-40211 &#8211; Denial of service via crafted DoH3 queries"},"content":{"rendered":"<p>CVE ID :CVE-2026-40211<\/p>\n<p>  Published : June 25, 2026, 12:23 p.m. | 1\u00a0hour, 20\u00a0minutes ago<\/p>\n<p>  Description :An attacker can send crafted DNS over HTTP\/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memory condition, resulting in a denial of service.<\/p>\n<p>  Severity: 5.3 | 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-2026-40211 Published : June 25, 2026, 12:23 p.m. | 1\u00a0hour, 20\u00a0minutes ago Description :An attacker can send crafted DNS over HTTP\/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be &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-81065","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81065","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=81065"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81065\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}