Gentoo Linux Security Advisory 201903-2 - Input validation errors in Zsh could result in arbitrary code execution. Versions less than 5.6 are affected.
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Ubuntu Security Notice 3764-1 - It was discovered that Zsh incorrectly handled certain scripts. An attacker could possibly use this issue to execute arbitrary code. Richard Maciel Costa discovered that Zsh incorrectly handled certain scripts. An attacker could possibly use this issue to execute arbitrary code.
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