CVE-2023-33950 ReDoS vulnerability with Pattern Redirects


Pattern Redirects in Liferay Portal and Liferay DXP allows regular expressions that are vulnerable to ReDoS attacks to be used as patterns, which allows remote attackers to consume an excessive amount of server resources via crafted request URLs.


6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Version(s)

  • Liferay DXP 7.4 update 48 through 76
  • Liferay Portal -

Fixed Version(s)

Publication date: Wed, 24 May 2023 07:00:00 +0000

Security advisories for Liferay's enterprise offerings (e.g., Liferay DXP) are only listed here since 2023. Historial advisories are availabe in the Help Center.