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VULNERABILITIES

CVE-2026-109563 Details

Description

N3.js before 2.11.1 contains a regular expression denial of service vulnerability in the N3Lexer number pattern that backtracks quadratically on long digit runs. Attackers can supply untrusted Turtle or N3 input containing long runs of digits that do not end a number, blocking the Node.js event loop and causing denial of service.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/rdfjs/N3.js [email protected]
https://github.com/rdfjs/N3.js/commit/b1c497fddb02c4772d61916bd2634115f45f424d [email protected]
https://github.com/rdfjs/N3.js/pull/760 [email protected]
https://www.vulncheck.com/advisories/n3-js-before-2.11.1-redos-via-n3lexer-numeric-literal-regex [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1333Inefficient Regular Expression Complexity[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-109563
NVD Published Date:
Oct 12, 2026
NVD Last Modified:
Oct 16, 2026
Source:
[email protected]
CVE-2026-109563 Details - Not Deferred