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ReDoS Vulnerability in ua-parser-js version
A regular expression denial of service (ReDoS) vulnerability has been discovered in
This vulnerability bypass the library's
MAX_LENGTH input limit prevention. By crafting a very-very-long user-agent string with specific pattern, an attacker can turn the script to get stuck processing for a very long time which results in a denial of service (DoS) condition.
All versions of the library prior to version
A patch has been released to remove the vulnerable regular expression, update to version
1.0.33 or later.
Thanks to @Snyk who first reported the issue.Permalink: https://github.com/advisories/GHSA-fhg7-m89q-25r3
Source: GitHub Advisory Database
Published: 5 days ago
Updated: 2 days ago
CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Identifiers: GHSA-fhg7-m89q-25r3, CVE-2022-25927
Fixed in: 1.0.33, 0.7.33