Updated GnuPG packages that fix two security issues are now available. This update has been rated as having important security impact by the Red Hat Security Response Team.
GnuPG is a utility for encrypting data and creating digital signatures. Tavis Ormandy discovered a stack overwrite flaw in the way GnuPG decrypts messages. An attacker could create carefully crafted message that could cause GnuPG to execute arbitrary code if a victim attempts to decrypt the message. (CVE-2006-6235) A heap based buffer overflow flaw was found in the way GnuPG constructs messages to be written to the terminal during an interactive session. An attacker could create a carefully crafted message which with user interaction could cause GnuPG to execute arbitrary code with the permissions of the user running GnuPG. (CVE-2006-6169) All users of GnuPG are advised to upgrade to this updated package, which contains a backported patch to correct these issues.
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