CVE-2026-109563
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Oct 12, 2026
Vendor
unknown
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.