{"id":39908,"date":"2026-02-09T17:18:20","date_gmt":"2026-02-09T17:18:20","guid":{"rendered":"http:\/\/localhost\/?p=39908"},"modified":"2026-02-09T17:18:20","modified_gmt":"2026-02-09T17:18:20","slug":"aprilrobotics-apriltag-apriltagc-apriltagdetectordetect-memory-corruption","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=39908","title":{"rendered":"AprilRobotics apriltag apriltag.c apriltag_detector_detect memory corruption_CVE-2026-2246"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A security vulnerability has been detected in AprilRobotics apriltag up to 3.4.5. Affected by this vulnerability is the function apriltag_detector_detect of the file apriltag.c. The manipulation leads to memory corruption. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. The identifier of the patch is cfac2f5ce1ffe2de25967eb1ab80bc5d99fc1a61. It is suggested to install a patch to address this issue.&#8221;,&#8221;published&#8221;:&#8221;2026-02-09T19:32:07.858Z&#8221;,&#8221;modified&#8221;:&#8221;2026-02-09T19:32:07.858Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;AprilRobotics apriltag apriltag.c apriltag_detector_detect memory corruption&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/?id.344994\\nhttps:\/\/vuldb.com\/?ctiid.344994\\nhttps:\/\/vuldb.com\/?submit.753162\\nhttps:\/\/github.com\/AprilRobotics\/apriltag\/issues\/422\\nhttps:\/\/github.com\/AprilRobotics\/apriltag\/issues\/422#issuecomment-3797661933\\nhttps:\/\/github.com\/oneafter\/0120\/blob\/main\/repro\\nhttps:\/\/github.com\/AprilRobotics\/apriltag\/commit\/cfac2f5ce1ffe2de25967eb1ab80bc5d99fc1a61\\nhttps:\/\/github.com\/AprilRobotics\/apriltag\/&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-2246&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-119&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;AprilRobotics apriltag 3.4.0\\nAprilRobotics apriltag 3.4.1\\nAprilRobotics apriltag 3.4.2\\nAprilRobotics apriltag 3.4.3\\nAprilRobotics apriltag 3.4.4\\nAprilRobotics apriltag 3.4.5&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:4.8,&#8221;severity&#8221;:&#8221;MEDIUM&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:L\/AC:L\/AT:N\/PR:L\/UI:N\/VC:N\/VI:N\/VA:L\/SC:N\/SI:N\/SA:N\/E:P&#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;apriltag&#8221;,&#8221;version&#8221;:&#8221;3.4.0&#8243;,&#8221;vendor&#8221;:&#8221;AprilRobotics&#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 security vulnerability has been detected in AprilRobotics apriltag up to 3.4.5. Affected by this vulnerability is the function apriltag_detector_detect of the file apriltag.c. The&#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":[6,8,75,12,21,13,7,11,5],"class_list":["post-39908","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-48","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>AprilRobotics apriltag apriltag.c apriltag_detector_detect memory corruption_CVE-2026-2246 - 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=39908\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AprilRobotics apriltag apriltag.c apriltag_detector_detect memory corruption_CVE-2026-2246 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A security vulnerability has been detected in AprilRobotics apriltag up to 3.4.5. 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