{"id":33666,"date":"2026-01-01T15:03:37","date_gmt":"2026-01-01T15:03:37","guid":{"rendered":"http:\/\/localhost\/?p=33666"},"modified":"2026-01-01T15:03:37","modified_gmt":"2026-01-01T15:03:37","slug":"webassembly-wabt-wasm-decompile-insertnode-memory-corruption","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=33666","title":{"rendered":"WebAssembly wabt wasm-decompile InsertNode memory corruption_CVE-2025-15411"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in WebAssembly wabt up to 1.0.39. This vulnerability affects the function wabt::AST::InsertNode of the file \/src\/repro\/wabt\/bin\/wasm-decompile of the component wasm-decompile. This manipulation causes memory corruption. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. Unfortunately, the project has no active maintainer at the moment. In a reply to the issue report somebody recommended to the researcher to provide a PR himself.&#8221;,&#8221;published&#8221;:&#8221;2026-01-01T19:32:07.421Z&#8221;,&#8221;modified&#8221;:&#8221;2026-01-01T19:32:07.421Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;WebAssembly wabt wasm-decompile InsertNode memory corruption&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/?id.339332\\nhttps:\/\/vuldb.com\/?ctiid.339332\\nhttps:\/\/vuldb.com\/?submit.719825\\nhttps:\/\/github.com\/WebAssembly\/wabt\/issues\/2679\\nhttps:\/\/github.com\/oneafter\/1208\/blob\/main\/af1&#8243;,&#8221;id&#8221;:&#8221;CVE-2025-15411&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-119&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;WebAssembly wabt 1.0.0\\nWebAssembly wabt 1.0.1\\nWebAssembly wabt 1.0.2\\nWebAssembly wabt 1.0.3\\nWebAssembly wabt 1.0.4\\nWebAssembly wabt 1.0.5\\nWebAssembly wabt 1.0.6\\nWebAssembly wabt 1.0.7\\nWebAssembly wabt 1.0.8\\nWebAssembly wabt 1.0.9\\nWebAssembly wabt 1.0.10\\nWebAssembly wabt 1.0.11\\nWebAssembly wabt 1.0.12\\nWebAssembly wabt 1.0.13\\nWebAssembly wabt 1.0.14\\nWebAssembly wabt 1.0.15\\nWebAssembly wabt 1.0.16\\nWebAssembly wabt 1.0.17\\nWebAssembly wabt 1.0.18\\nWebAssembly wabt 1.0.19\\nWebAssembly wabt 1.0.20\\nWebAssembly wabt 1.0.21\\nWebAssembly wabt 1.0.22\\nWebAssembly wabt 1.0.23\\nWebAssembly wabt 1.0.24\\nWebAssembly wabt 1.0.25\\nWebAssembly wabt 1.0.26\\nWebAssembly wabt 1.0.27\\nWebAssembly wabt 1.0.28\\nWebAssembly wabt 1.0.29\\nWebAssembly wabt 1.0.30\\nWebAssembly wabt 1.0.31\\nWebAssembly wabt 1.0.32\\nWebAssembly wabt 1.0.33\\nWebAssembly wabt 1.0.34\\nWebAssembly wabt 1.0.35\\nWebAssembly wabt 1.0.36\\nWebAssembly wabt 1.0.37\\nWebAssembly wabt 1.0.38\\nWebAssembly wabt 1.0.39&#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:L\/VI:L\/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;wabt&#8221;,&#8221;version&#8221;:&#8221;1.0.0&#8243;,&#8221;vendor&#8221;:&#8221;WebAssembly&#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 WebAssembly wabt up to 1.0.39. This vulnerability affects the function wabt::AST::InsertNode of the file \/src\/repro\/wabt\/bin\/wasm-decompile of the component wasm-decompile&#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-33666","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>WebAssembly wabt wasm-decompile InsertNode memory corruption_CVE-2025-15411 - 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=33666\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WebAssembly wabt wasm-decompile InsertNode memory corruption_CVE-2025-15411 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in WebAssembly wabt up to 1.0.39. 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