{"id":81368,"date":"2026-07-02T05:55:34","date_gmt":"2026-07-02T02:25:34","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-57277-geovision-geowebplayer-websocket-server-connectinfo-handler-stack-based-buffer-overflow-vulnerability\/"},"modified":"2026-07-02T05:55:34","modified_gmt":"2026-07-02T02:25:34","slug":"cve-2026-57277-geovision-geowebplayer-websocket-server-connectinfo-handler-stack-based-buffer-overflow-vulnerability","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-57277-geovision-geowebplayer-websocket-server-connectinfo-handler-stack-based-buffer-overflow-vulnerability\/","title":{"rendered":"CVE-2026-57277 &#8211; GeoVision GeoWebPlayer Websocket Server connectInfo handler stack-based buffer overflow vulnerability"},"content":{"rendered":"<p>CVE ID :CVE-2026-57277<\/p>\n<p>  Published : July 2, 2026, 2:25 a.m. | 1\u00a0hour, 21\u00a0minutes ago<\/p>\n<p>  Description :GeoWebPlayer (also called &#8220;Web Plugin&#8221; in the GV-VMS documentation and &#8220;WS Player&#8221; for VMS-Cloud) is an addon that can be installed with various GeoVision software (GV-VMS, GV-Cloud, &#8230;). It creates a websocket server that expands the capabilities of the various web-interfaces provided by the GeoVision software and may be necessary for them to function properly.<\/p>\n<p>The Websocket server can accept various commands coming from localhost. One of them, `connectionInfo` is meant to provide the necessary details to connect to a camera. The handler associated with this command that we call`handle_connection_info` contains multiple instances of string copy that can overflow. The function `handle_connect_info` copies attacker-controlled JSON strings into fixed-size buffers using manual byte-by-byte loops that do not enforce length limits.<\/p>\n<p>#### Buffer Overflow in key field<\/p>\n<p>  Severity: 8.3 | HIGH<\/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-2026-57277 Published : July 2, 2026, 2:25 a.m. | 1\u00a0hour, 21\u00a0minutes ago Description :GeoWebPlayer (also called &#8220;Web Plugin&#8221; in the GV-VMS documentation and &#8220;WS Player&#8221; for VMS-Cloud) is an addon that can be installed with various GeoVision software (GV-VMS, GV-Cloud, &#8230;). It creates a websocket server that expands the capabilities of the various &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-81368","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81368","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=81368"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81368\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}