VULNERABILITY INTELLIGENCE
CVE-2013-4322
CVSS score4.3 MEDIUM
EPSS probability9.10%
CISA KEVNot currently listed
Published2014-02-26
Last modified2026-10-09
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:P
Description
Apache Tomcat before 6.0.39, 7.x before 7.0.50, and 8.x before 8.0.0-RC10 processes chunked transfer coding without properly handling (1) a large total amount of chunked data or (2) whitespace characters in an HTTP header value within a trailer field, which allows remote attackers to cause a denial of service by streaming data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3544.
Weakness classification
- CWE-20: Improper Input Validation