{"id":82341,"date":"2026-07-21T14:46:12","date_gmt":"2026-07-21T11:16:12","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-59843-libssh-libssh-denial-of-service-via-zero-advertised-channel-packet-size\/"},"modified":"2026-07-21T14:46:12","modified_gmt":"2026-07-21T11:16:12","slug":"cve-2026-59843-libssh-libssh-denial-of-service-via-zero-advertised-channel-packet-size","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-59843-libssh-libssh-denial-of-service-via-zero-advertised-channel-packet-size\/","title":{"rendered":"CVE-2026-59843 &#8211; Libssh: libssh: denial of service via zero advertised channel packet size"},"content":{"rendered":"<p>CVE ID :CVE-2026-59843<\/p>\n<p>  Published : July 21, 2026, 11:16 a.m. | 28\u00a0minutes ago<\/p>\n<p>  Description :A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSH_MSG_CHANNEL_OPEN, causing later channel writes to loop indefinitely and consume CPU, leading to denial of service.<\/p>\n<p>  Severity: 6.5 | 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-2026-59843 Published : July 21, 2026, 11:16 a.m. | 28\u00a0minutes ago Description :A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSH_MSG_CHANNEL_OPEN, causing later channel writes to loop indefinitely and consume CPU, leading to denial of service. Severity: 6.5 | MEDIUM Visit the link &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-82341","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82341","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=82341"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82341\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}