{"id":57571,"date":"2026-05-27T13:48:57","date_gmt":"2026-05-27T13:48:57","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=57571"},"modified":"2026-05-27T13:48:57","modified_gmt":"2026-05-27T13:48:57","slug":"teamspeak-3-server-connection-state-management-processresendqueue-use-after-free","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=57571","title":{"rendered":"TeamSpeak 3 Server Connection State Management process_resend_queue use after free_CVE-2026-4390"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function process_resend_queue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue. The affected component should be upgraded.&#8221;,&#8221;published&#8221;:&#8221;2026-05-27T16:30:08.778Z&#8221;,&#8221;modified&#8221;:&#8221;2026-05-27T17:58:41.828Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;TeamSpeak 3 Server Connection State Management process_resend_queue use after free&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/vuln\/366314\\nhttps:\/\/vuldb.com\/vuln\/366314\/cti\\nhttps:\/\/modzero.com\/en\/advisories\/mz-26-01-teamspeak\/\\nhttps:\/\/files.teamspeak-services.com\/docs\/security\/TS-SA-2026-001.html\\nhttps:\/\/www.teamspeak.com\/en\/downloads\/#server&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-4390&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-416&#8243;,&#8221;CWE-119&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;n\/a TeamSpeak 3 Server 3.13.0\\nn\/a TeamSpeak 3 Server 3.13.1\\nn\/a TeamSpeak 3 Server 3.13.2\\nn\/a TeamSpeak 3 Server 3.13.3\\nn\/a TeamSpeak 3 Server 3.13.4\\nn\/a TeamSpeak 3 Server 3.13.5\\nn\/a TeamSpeak 3 Server 3.13.6\\nn\/a TeamSpeak 3 Server 3.13.7&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:5.3,&#8221;severity&#8221;:&#8221;MEDIUM&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:L\/UI:N\/VC:N\/VI:L\/VA:L\/SC:N\/SI:N\/SA:N\/E:X&#8221;,&#8221;version&#8221;:&#8221;4.0&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;TeamSpeak 3 Server&#8221;,&#8221;version&#8221;:&#8221;3.13.0&#8243;,&#8221;vendor&#8221;:&#8221;n\/a&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function process_resend_queue of the component Connection State Management. This manipulation&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,22,12,21,13,7,11,5],"class_list":["post-57571","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-53","tag-exploit","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TeamSpeak 3 Server Connection State Management process_resend_queue use after free_CVE-2026-4390 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=57571\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TeamSpeak 3 Server Connection State Management process_resend_queue use after free_CVE-2026-4390 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. 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