{"containers":{"cna":{"affected":[{"collectionURL":"https://hex.pm","cpes":["cpe:2.3:a:ericmj:decimal:*:*:*:*:*:*:*:*"],"defaultStatus":"affected","modules":["'Elixir.Decimal'"],"packageName":"decimal","packageURL":"pkg:hex/decimal","product":"decimal","programFiles":["lib/decimal.ex"],"programRoutines":[{"name":"'Elixir.Decimal':new/1"},{"name":"'Elixir.Decimal':parse/1"},{"name":"'Elixir.Decimal':cast/1"},{"name":"'Elixir.Decimal':add/2"},{"name":"'Elixir.Decimal':sub/2"},{"name":"'Elixir.Decimal':div/2"},{"name":"'Elixir.Decimal':to_string/2"},{"name":"'Elixir.Decimal':to_integer/1"},{"name":"'Elixir.Decimal':round/3"},{"name":"'Elixir.Decimal':compare/3"}],"repo":"https://github.com/ericmj/decimal","vendor":"ericmj","versions":[{"lessThan":"3.0.0","status":"affected","version":"0.1.0","versionType":"semver"}]},{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:ericmj:decimal:*:*:*:*:*:*:*:*"],"defaultStatus":"affected","modules":["'Elixir.Decimal'"],"packageName":"ericmj/decimal","packageURL":"pkg:github/ericmj/decimal","product":"decimal","programFiles":["lib/decimal.ex"],"programRoutines":[{"name":"'Elixir.Decimal':new/1"},{"name":"'Elixir.Decimal':parse/1"},{"name":"'Elixir.Decimal':cast/1"},{"name":"'Elixir.Decimal':add/2"},{"name":"'Elixir.Decimal':sub/2"},{"name":"'Elixir.Decimal':div/2"},{"name":"'Elixir.Decimal':to_string/2"},{"name":"'Elixir.Decimal':to_integer/1"},{"name":"'Elixir.Decimal':round/3"},{"name":"'Elixir.Decimal':compare/3"}],"repo":"https://github.com/ericmj/decimal","vendor":"ericmj","versions":[{"lessThan":"6a523f3a73b8c9974540e21c7aa88f1258bb35ae","status":"affected","version":"bc11f4a2b6fb61fc1360a0ab4e79141bba918841","versionType":"git"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ericmj:decimal:*:*:*:*:*:*:*:*","versionEndExcluding":"3.0.0","versionStartIncluding":"0.1.0","vulnerable":true}],"negate":false,"operator":"AND"}],"operator":"OR"}],"credits":[{"lang":"en","type":"finder","value":"Peter Ullrich"},{"lang":"en","type":"remediation developer","value":"Eric Meadows-Jönsson"},{"lang":"en","type":"remediation reviewer","value":"José Valim"},{"lang":"en","type":"remediation reviewer","value":"Wojtek Mach"},{"lang":"en","type":"analyst","value":"Jonatan Männchen"},{"lang":"en","type":"remediation reviewer","value":"ruslandoga"},{"lang":"en","type":"remediation reviewer","value":"Matthew Johnston"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Uncontrolled Resource Consumption vulnerability in ericmj decimal allows unauthenticated remote Denial of Service.<p>The <tt>decimal</tt> library does not bound the exponent on parsed input. Storing a decimal with a very large exponent (e.g. <tt>Decimal.new(\"1e1000000000\")</tt>) is accepted without error. Subsequent calls to arithmetic functions (<tt>Decimal.add/2</tt>, <tt>Decimal.sub/2</tt>, <tt>Decimal.div/2</tt>), <tt>Decimal.to_string/2</tt> with <tt>:normal</tt> or <tt>:xsd</tt> format, <tt>Decimal.to_integer/1</tt>, <tt>Decimal.round/3</tt>, or <tt>Decimal.compare/3</tt> with a threshold allocate memory proportional to the exponent value, which can exhaust available memory and crash the BEAM VM.</p><p>Any application that accepts user-supplied decimal input and subsequently performs arithmetic, rounding, conversion to integer, or string formatting on it is exposed. A single malicious request is sufficient to cause an out-of-memory crash.</p><p>This issue affects decimal: from 0.1.0 before 3.0.0.</p>"}],"value":"Uncontrolled Resource Consumption vulnerability in ericmj decimal allows unauthenticated remote Denial of Service.\n\nThe decimal library does not bound the exponent on parsed input. Storing a decimal with a very large exponent (e.g. Decimal.new(\"1e1000000000\")) is accepted without error. Subsequent calls to arithmetic functions (Decimal.add/2, Decimal.sub/2, Decimal.div/2), Decimal.to_string/2 with :normal or :xsd format, Decimal.to_integer/1, Decimal.round/3, or Decimal.compare/3 with a threshold allocate memory proportional to the exponent value, which can exhaust available memory and crash the BEAM VM.\n\nAny application that accepts user-supplied decimal input and subsequently performs arithmetic, rounding, conversion to integer, or string formatting on it is exposed. A single malicious request is sufficient to cause an out-of-memory crash.\n\nThis issue affects decimal: from 0.1.0 before 3.0.0."}],"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-07T14:04:47.222Z","orgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","shortName":"EEF"},"references":[{"tags":["vendor-advisory","related"],"url":"https://github.com/ericmj/decimal/security/advisories/GHSA-rhv4-8758-jx7v"},{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-32686.html"},{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-32686"},{"tags":["patch"],"url":"https://github.com/ericmj/decimal/commit/6a523f3a73b8c9974540e21c7aa88f1258bb35ae"}],"source":{"discovery":"EXTERNAL"},"title":"Unbounded exponent in decimal enables unauthenticated DoS","x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","assignerShortName":"EEF","cveId":"CVE-2026-32686","datePublished":"2026-05-07T14:04:47.222Z","dateReserved":"2026-03-13T09:12:14.474Z","dateUpdated":"2026-05-07T14:04:47.222Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}