Apache Tomcat 5.5.0 through 5.5.29, 6.0.0 through 6.0.27, and 7.0.0 beta does not properly handle an invalid Transfer-Encoding header, which allows remote attackers to cause a denial of service (application outage) or obtain sensitive information via a crafted header that interferes with "recycling of a buffer."
Severity
Medium 6.4
Published
13 Jul 2010
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
55% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 12 Nov 2026