{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-82737", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-08-31T00:59:10.002Z", "datePublished": "2026-09-01T03:24:14.969Z", "dateUpdated": "2026-09-01T12:56:53.991Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Ash.Vector'"], "packageName": "ash", "packageURL": "pkg:hex/ash", "product": "ash", "programFiles": ["lib/ash/vector.ex"], "programRoutines": [{"name": "'Elixir.Ash.Vector':new/1"}, {"name": "'Elixir.Ash.Vector':from_binary/1"}], "repo": "https://github.com/ash-project/ash", "vendor": "ash-project", "versions": [{"lessThan": "3.32.2", "status": "affected", "version": "2.14.13", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Ash.Vector'"], "packageName": "ash-project/ash", "packageURL": "pkg:github/ash-project/ash", "product": "ash", "programFiles": ["lib/ash/vector.ex"], "programRoutines": [{"name": "'Elixir.Ash.Vector':new/1"}, {"name": "'Elixir.Ash.Vector':from_binary/1"}], "repo": "https://github.com/ash-project/ash", "vendor": "ash-project", "versions": [{"lessThan": "cef5eb7b0693f04d1699a36e02a4e09ce1e7bffe", "status": "affected", "version": "e2855843ca4a9141dcd7f40f47227e13b43f0e00", "versionType": "git"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.32.2", "versionStartIncluding": "2.14.13", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "coordinator", "value": "Jonatan M\u00e4nnchen / EEF"}, {"lang": "en", "type": "remediation developer", "value": "Zach Daniel / Ash Project"}, {"lang": "en", "type": "reporter", "value": "Peter Ullrich"}, {"lang": "en", "type": "finder", "value": "Peter Ullrich"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Integer Overflow or Wraparound vulnerability in ash-project ash lets an attacker corrupt a stored vector and crash later reads of it by submitting a vector with more than 65,535 elements.</p>\n<p><code>Ash.Vector.new/1</code> (<code>lib/ash/vector.ex</code>) encodes a vector as <code>&lt;&lt;dim::unsigned-16, 0::unsigned-16&gt;&gt;</code> followed by the element floats, packing the element count into a 16-bit field without checking its range. 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