DescriptionApache Tomcat 7.0.0 through 7.0.6 and 6.0.0 through 6.0.30 does not enforce the maxHttpHeaderSize limit for requests involving the NIO HTTP connector, which allows remote attackers to cause a denial of service (OutOfMemoryError) via a crafted request.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs612257

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tomcat6 (PTS)wheezy6.0.45+dfsg-1~deb7u1fixed
wheezy (security)6.0.45+dfsg-1~deb7u5fixed
jessie (security), jessie6.0.45+dfsg-1~deb8u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tomcat5.5source(unstable)(not affected)
tomcat6sourcelenny(not affected)


- tomcat5.5 <not-affected> (Vulnerable code not present)
[lenny] - tomcat6 <not-affected> (Only ships the servlet package)

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