{"id":80700,"date":"2026-06-17T22:33:15","date_gmt":"2026-06-17T19:03:15","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-55200-libssh2-out-of-bounds-write-via-unchecked-packet_length-in-transport-c\/"},"modified":"2026-06-17T22:33:15","modified_gmt":"2026-06-17T19:03:15","slug":"cve-2026-55200-libssh2-out-of-bounds-write-via-unchecked-packet_length-in-transport-c","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-55200-libssh2-out-of-bounds-write-via-unchecked-packet_length-in-transport-c\/","title":{"rendered":"CVE-2026-55200 &#8211; libssh2 &#8211; Out-of-Bounds Write via Unchecked packet_length in transport.c"},"content":{"rendered":"<p>CVE ID :CVE-2026-55200<\/p>\n<p>  Published : June 17, 2026, 7:03 p.m. | 39\u00a0minutes ago<\/p>\n<p>  Description :libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.<\/p>\n<p>  Severity: 9.2 | CRITICAL<\/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-2026-55200 Published : June 17, 2026, 7:03 p.m. | 39\u00a0minutes ago Description :libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve &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-80700","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80700","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=80700"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80700\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}