USN-794-1: Perl vulnerability

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http://www.ubuntu.com – In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: It was discovered that the Compress::Raw::Zlib Perl module incorrectly handled certain zlib compressed streams. If a user or automated system were tricked into processing a specially crafted compressed stream or file, a remote attacker could crash the application, leading to a denial of service. (Security)