Gentoo Linux Security Advisory 201606-1 - Multiple vulnerabilities have been found in PuTTY, the worst of which could lead to arbitrary code execution, or cause a Denial of Service condition. Versions less than 0.67 are affected.
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Debian Linux Security Advisory 3409-1 - A memory-corrupting integer overflow in the handling of the ECH (erase characters) control sequence was discovered in PuTTY's terminal emulator. A remote attacker can take advantage of this flaw to mount a denial of service or potentially to execute arbitrary code.
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