Gentoo Linux Security Advisory 201606-11 - Multiple vulnerabilities have been found in claws-mail, particularly in the default SSL implementation. Versions less than 3.13.2 are affected.
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Debian Linux Security Advisory 3452-1 - "DrWhax" of the Tails project reported that Claws Mail is missing range checks in some text conversion functions. A remote attacker could exploit this to run arbitrary code under the account of a user that receives a message from them using Claws Mail.
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