CVE-2011-2526

Severity: medium (CVSS 4.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-07-14 · updated 2026-06-16
Weakness: CWE-20

Description

Apache Tomcat 5.5.x before 5.5.34, 6.x before 6.0.33, and 7.x before 7.0.19, when sendfile is enabled for the HTTP APR or HTTP NIO connector, does not validate certain request attributes, which allows local users to bypass intended file access restrictions or cause a denial of service (infinite loop or JVM crash) by leveraging an untrusted web application.

Affected products

Apache Tomcat: 5.5.0, 5.5.1, 5.5.2, 5.5.3, 5.5.4, 5.5.5 (+74)

References

http://marc.info/?l=bugtraq&m=132215163318824&w=2
http://marc.info/?l=bugtraq&m=133469267822771&w=2
http://marc.info/?l=bugtraq&m=136485229118404&w=2
http://marc.info/?l=bugtraq&m=139344343412337&w=2
http://osvdb.org/73797
http://osvdb.org/73798
http://rhn.redhat.com/errata/RHSA-2012-0074.html
http://rhn.redhat.com/errata/RHSA-2012-0075.html
http://rhn.redhat.com/errata/RHSA-2012-0076.html
http://rhn.redhat.com/errata/RHSA-2012-0077.html
http://rhn.redhat.com/errata/RHSA-2012-0078.html
http://rhn.redhat.com/errata/RHSA-2012-0325.html

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