A specially crafted pair of WS-Policy documents can force Neethi's policy-intersection to do exponential amounts of work, pinning the CPU for a long time (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.
https://lists.apache.org/thread/zbfxnomgvbmqchqjgc6lk5h0z76k3gh4
http://www.openwall.com/lists/oss-security/2026/09/18/13
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-83888
Source: Mitre, NVD
Published: 2026-09-21
Updated: 2026-09-25
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.0074