CVE-2021-45470: Circl Cve-Search

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS (regular expression denial of service) or other impacts.

Affected products

• Circl Cve-Search: before 4.1.0 (fixed in 4.1.0)

Published 2021-12-23. Last modified 2026-06-17.