{"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":"José Valim"},{"lang":"en","type":"remediation reviewer","value":"Eric Meadows-Jönsson"},{"lang":"en","type":"analyst","value":"Jonatan Männchen"}],"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. A single large all-digit component therefore forces a super-linear, non-yielding base-10 to arbitrary-precision integer conversion (<tt>String.to_integer/1</tt>, i.e. <tt>:erlang.binary_to_integer/1</tt>) that pins a BEAM scheduler, and a larger component raises an uncaught <tt>SystemLimitError</tt> that crashes the calling process. A single moderately sized string (around one megabyte) is enough; no authentication is required.</p><p>This is reachable from the public entry points <tt>Version.parse/1</tt>, <tt>Version.parse!/1</tt>, <tt>Version.match?/3</tt>, <tt>Version.compare/2</tt>, and <tt>Version.parse_requirement/1</tt>, which applications routinely call on untrusted input such as HTTP parameters, dependency-manifest fields, and package metadata.</p><p>This vulnerability is associated with program files <tt>lib/version.ex</tt> and program routines <tt>'Elixir.Version.Parser':parse_digits/2</tt>.</p><p>This issue affects Elixir: from 1.5.0 before 1.20.1.</p>"}],"value":"Uncontrolled Resource Consumption vulnerability in the Elixir standard library's Version module allows an attacker who controls a version string to cause a denial of service through CPU and memory exhaustion.\n\nThe version parser converts numeric version components (major, minor, patch and numeric pre-release/build identifiers) to integers without bounding their length. A single large all-digit component therefore forces a super-linear, non-yielding base-10 to arbitrary-precision integer conversion (String.to_integer/1, i.e. :erlang.binary_to_integer/1) that pins a BEAM scheduler, and a larger component raises an uncaught SystemLimitError that crashes the calling process. 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."}],"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]}],"metrics":[{"cvssV4_0":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-09T14:04:07.405Z","orgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","shortName":"EEF"},"references":[{"tags":["vendor-advisory","related"],"url":"https://github.com/elixir-lang/elixir/security/advisories/GHSA-w2h8-8x3g-278p"},{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-49762.html"},{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-49762"},{"tags":["patch"],"url":"https://github.com/elixir-lang/elixir/commit/c64417d72fd5c7d09e963ca3ac5fa2b140978d9e"}],"source":{"discovery":"EXTERNAL"},"title":"Unbounded integer parsing in the Version module enables CPU and memory exhaustion denial of service","x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","assignerShortName":"EEF","cveId":"CVE-2026-49762","datePublished":"2026-06-09T14:04:07.405Z","dateReserved":"2026-06-01T13:45:22.449Z","dateUpdated":"2026-06-09T14:04:07.405Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}