High (7.5). EPSS 18% chance of exploitation in the next 30 days. Fixed in com.fasterxml.woodstox:woodstox-core 5.4.0, 6.4.0.
Those using Woodstox to parse XML data may be vulnerable to Denial of Service attacks (DOS) if DTD support is enabled. If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow. This effect may support a denial of service attack.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
18% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)