Descriptionquery_params.cpp in cxxtools before 2.2.1 allows remote attackers to cause a denial of service (infinite recursion and crash) via an HTTP query that contains %% (double percent) characters.
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
Debian Bugs735880

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cxxtools (PTS)buster, stretch2.2.1-2fixed
bullseye, sid2.2.1-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cxxtoolssourcesqueeze(not affected)
cxxtoolssourcewheezy(not affected)


[wheezy] - cxxtools <not-affected> (Issue not present, introduced in v2.2)
[squeeze] - cxxtools <not-affected> (Issue not present, introduced in v2.2)

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