{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97058", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-23T23:51:32.670Z", "datePublished": "2026-09-24T13:51:58.989Z", "dateUpdated": "2026-09-24T14:32:22.239Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-24T14:23:28.597Z"}, "datePublic": "2026-09-16T00:00:00.000Z", "title": "sprintf-js through 1.1.3 Denial of Service via Unbounded Precision", "descriptions": [{"lang": "en", "value": "sprintf-js through 1.1.3 passes unbounded precision specifiers to toFixed, toExponential, and toPrecision methods without validation, causing uncaught RangeError exceptions. Attackers who control format strings can inject precision values exceeding ECMAScript limits to abort calling operations with minimal payload."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Validation of Specified Quantity in Input", "cweId": "CWE-1284", "type": "CWE"}]}], "affected": [{"vendor": "alexei", "product": "sprintf-js", "defaultStatus": "unaffected", "packageURL": "pkg:npm/sprintf-js", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "1.1.3"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/alexei/sprintf.js/issues/237", "tags": ["issue-tracking"], "name": "GitHub Issue #237"}, {"url": "https://github.com/alexei/sprintf.js/blob/3a0d8c26d291b5bd9f1974877ecc50739921d6f5/src/sprintf.js#L17", "tags": ["technical-description"]}, {"url": "https://github.com/alexei/sprintf.js/blob/3a0d8c26d291b5bd9f1974877ecc50739921d6f5/src/sprintf.js#L84-L90", "tags": ["technical-description"]}, {"url": "https://github.com/alexei/sprintf.js", "tags": ["product"]}, {"name": "VulnCheck Advisory: sprintf-js through 1.1.3 Denial of Service via Unbounded Precision", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/sprintf-js-through-1.1.3-denial-of-service-via-unbounded-precision"}], "credits": [{"lang": "en", "value": "Wayde Shi (PayPal Cyber Security Team)", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"references": [{"url": "https://github.com/alexei/sprintf.js/issues/237", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-24T14:32:04.411546Z", "id": "CVE-2026-97058", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T14:32:22.239Z"}}]}}