uap-core Regular Expression Denial of Service issue

Description

An issue was discovered in regex.yaml (aka regexes.yaml) in UA-Parser UAP-Core before 0.6.0. A Regular Expression Denial of Service (ReDoS) issue allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to a value containing a long digit string.

Recommendation

Update the uap-core package to the latest compatible version. Followings are version details:

• Affected version(s): < 0.6.0
• Patched version(s): 0.6.0

References

• GHSA-fx7m-j728-mjw3
• www.x41-dsec.de
• CVE-2018-20164
• CWE-185
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Prototype Pollution in lodash (GHSA-jf85-cpcp-j695) - CVE-2019-10744
• jquery-validation vulnerable to Cross-site Scripting - CVE-2025-3573
• @mozilla/readability Denial of Service through Regex - CVE-2025-2792
• ejson shell parser in MongoDB Compass maybe bypassed - CVE-2024-6376

Tags:

npm

uap-core