HIGH 8.7 NVD
CVE-2026-109563
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
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.
References
- https://github.com/rdfjs/N3.js
- https://github.com/rdfjs/N3.js/commit/b1c497fddb02c4772d61916bd2634115f45f424d
- https://github.com/rdfjs/N3.js/pull/760
- https://www.vulncheck.com/advisories/n3-js-before-2.11.1-redos-via-n3lexer-numeric-literal
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-10-12 via NVD.
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