{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-32686", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-03-13T09:12:14.474Z", "datePublished": "2026-05-07T14:04:47.222Z", "dateUpdated": "2026-05-07T14:04:47.222Z"}, "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-J\u00f6nsson"}, {"lang": "en", "type": "remediation reviewer", "value": "Jos\u00e9 Valim"}, {"lang": "en", "type": "remediation reviewer", "value": "Wojtek Mach"}, {"lang": "en", "type": "analyst", "value": "Jonatan M\u00e4nnchen"}, {"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": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-05-07T14:04:47.222Z"}, "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"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-32686", "lastModified": "2026-05-07T15:49:13.797", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}, "published": "2026-05-07T15:16:05.370", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://cna.erlef.org/cves/CVE-2026-32686.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ericmj/decimal/commit/6a523f3a73b8c9974540e21c7aa88f1258bb35ae"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ericmj/decimal/security/advisories/GHSA-rhv4-8758-jx7v"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-32686"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}