{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49762", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-06-01T13:45:22.449Z", "datePublished": "2026-06-09T14:04:07.405Z", "dateUpdated": "2026-06-10T04:43:08.517Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Version'", "'Elixir.Version.Parser'"], "packageName": "elixir-lang/elixir", "packageURL": "pkg:otp/elixir?repository_url=https:%2F%2Fgithub.com%2Felixir-lang%2Felixir&vcs_url=git%20https:%2F%2Fgithub.com%2Felixir-lang%2Felixir.git", "product": "elixir", "programFiles": ["lib/version.ex"], "programRoutines": [{"name": "'Elixir.Version':parse/1"}, {"name": "'Elixir.Version':parse!/1"}, {"name": "'Elixir.Version':match?/3"}, {"name": "'Elixir.Version':compare/2"}, {"name": "'Elixir.Version':parse_requirement/1"}, {"name": "'Elixir.Version.Parser':parse_version/2"}, {"name": "'Elixir.Version.Parser':parse_digits/2"}, {"name": "'Elixir.Version.Parser':require_digits/1"}, {"name": "'Elixir.Version.Parser':convert_parts_to_integer/2"}], "repo": "https://github.com/elixir-lang/elixir", "vendor": "elixir-lang", "versions": [{"lessThan": "1.20.1", "status": "affected", "version": "1.5.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Version'", "'Elixir.Version.Parser'"], "packageName": "elixir-lang/elixir", "packageURL": "pkg:github/elixir-lang/elixir", "product": "elixir", "programFiles": ["lib/elixir/lib/version.ex"], "programRoutines": [{"name": "'Elixir.Version':parse/1"}, {"name": "'Elixir.Version':parse!/1"}, {"name": "'Elixir.Version':match?/3"}, {"name": "'Elixir.Version':compare/2"}, {"name": "'Elixir.Version':parse_requirement/1"}, {"name": "'Elixir.Version.Parser':parse_version/2"}, {"name": "'Elixir.Version.Parser':parse_digits/2"}, {"name": "'Elixir.Version.Parser':require_digits/1"}, {"name": "'Elixir.Version.Parser':convert_parts_to_integer/2"}], "repo": "https://github.com/elixir-lang/elixir.git", "vendor": "elixir-lang", "versions": [{"lessThan": "c64417d72fd5c7d09e963ca3ac5fa2b140978d9e", "status": "affected", "version": "63e186aea94395897dc4964d82d250130c01ec25", "versionType": "git"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.20.1", "versionStartIncluding": "1.5.0", "vulnerable": true}], "negate": false, "operator": "AND"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "finder", "value": "Peter Ullrich"}, {"lang": "en", "type": "remediation developer", "value": "Jos\u00e9 Valim"}, {"lang": "en", "type": "remediation reviewer", "value": "Eric Meadows-J\u00f6nsson"}, {"lang": "en", "type": "analyst", "value": "Jonatan M\u00e4nnchen"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Uncontrolled Resource Consumption vulnerability in the Elixir standard library's <tt>Version</tt> module allows an attacker who controls a version string to cause a denial of service through CPU and memory exhaustion.</p><p>The version parser converts numeric version components (major, minor, patch and numeric pre-release/build identifiers) to integers without bounding their length. 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A single moderately sized string (around one megabyte) is enough; no authentication is required.\n\nThis is reachable from the public entry points Version.parse/1, Version.parse!/1, Version.match?/3, Version.compare/2, and Version.parse_requirement/1, which applications routinely call on untrusted input such as HTTP parameters, dependency-manifest fields, and package metadata.\n\nThis vulnerability is associated with program files lib/version.ex and program routines 'Elixir.Version.Parser':parse_digits/2.\n\nThis issue affects Elixir: from 1.5.0 before 1.20.1.", "supportingMedia": [{"type": "text/html", "value": "<p>Uncontrolled Resource Consumption vulnerability in the Elixir standard library's <tt>Version</tt> module allows an attacker who controls a version string to cause a denial of service through CPU and memory exhaustion.</p><p>The version parser converts numeric version components (major, minor, patch and numeric pre-release/build identifiers) to integers without bounding their length. 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{"bugzilla": {"description": "elixir: Elixir Version module: Denial of Service via uncontrolled resource consumption with crafted version string", "id": "2487016", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487016"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in the Elixir standard library's Version module. A remote attacker can exploit this uncontrolled resource consumption vulnerability by providing a specially crafted, excessively long version string. This malicious input forces the system to perform a super-linear, arbitrary-precision integer conversion, leading to significant CPU and memory exhaustion. The primary consequence is a Denial of Service (DoS), which can pin a BEAM scheduler or crash the affected process."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-49762", "package_state": [{"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Fix deferred", "package_name": "elixir", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:17.1", "fix_state": "Fix deferred", "package_name": "elixir", "product_name": "Red Hat OpenStack Platform 17.1"}, {"cpe": "cpe:/a:redhat:openstack:18.0", "fix_state": "Fix deferred", "package_name": "elixir", "product_name": "Red Hat OpenStack Platform 18.0"}], "public_date": "2026-06-09T14:04:07Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-49762\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-49762\nhttps://cna.erlef.org/cves/CVE-2026-49762.html\nhttps://github.com/elixir-lang/elixir/commit/c64417d72fd5c7d09e963ca3ac5fa2b140978d9e\nhttps://github.com/elixir-lang/elixir/security/advisories/GHSA-w2h8-8x3g-278p\nhttps://osv.dev/vulnerability/EEF-CVE-2026-49762"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.5.0,1.20.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "elixir", "source": "cna", "vendor": "elixir-lang"}, "product": "elixir", "vendor": "elixir-lang"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[63e186aea94395897dc4964d82d250130c01ec25,c64417d72fd5c7d09e963ca3ac5fa2b140978d9e)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "elixir", "source": "cna", "vendor": "elixir-lang"}, "product": "elixir", "vendor": "elixir-lang"}], "created": "2026-06-09T15:30:08.119426+00:00", "updated": "2026-06-18T21:15:03.852777+00:00", "vendors": ["elixir-lang", "elixir-lang$PRODUCT$elixir"]}