CVE-2007-4771

NameCVE-2007-4771
DescriptionHeap-based buffer overflow in the doInterval function in regexcmp.cpp in libicu in International Components for Unicode (ICU) 3.8.1 and earlier allows context-dependent attackers to cause a denial of service (memory consumption) and possibly have unspecified other impact via a regular expression that writes a large amount of data to the backtracking stack. NOTE: some of these details are obtained from third party information.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-1511-1
NVD severityhigh (attack range: remote)
Debian Bugs463688
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
icu (PTS)squeeze (security), squeeze4.4.1-8+squeeze2fixed
wheezy4.8.1.1-12+deb7u1fixed
wheezy (security)4.8.1.1-12+deb7u2fixed
jessie, sid52.1-8fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
icusource(unstable)3.8-6high463688
icusourceetch3.6-2etch1highDSA-1511-1

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