Description
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.
Published: 2026-09-24
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 25 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Alexei
Alexei sprintf-js
Vendors & Products Alexei
Alexei sprintf-js

Fri, 25 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 24 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 24 Sep 2026 14:00:00 +0000

Type Values Removed Values Added
Description 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.
Title sprintf-js through 1.1.3 Denial of Service via Unbounded Precision
Weaknesses CWE-1284
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': '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'}


Subscriptions

Alexei Sprintf-js
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-24T14:32:22.239Z

Reserved: 2026-09-23T23:51:32.670Z

Link: CVE-2026-97058

cve-icon Vulnrichment

Updated: 2026-09-24T14:32:19.728Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-24T14:18:21.840

Modified: 2026-09-24T21:08:22.573

Link: CVE-2026-97058

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-24T13:51:58Z

Links: CVE-2026-97058 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-25T14:17:41Z

Weaknesses