An issue was discovered in zsh before 5.6. The beginning of a #! script file was mishandled, potentially leading to an execve call to a program named on the second line.
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{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_name": "zsh", "binary_version": "5.4.2-3ubuntu3.1" }, { "binary_name": "zsh-common", "binary_version": "5.4.2-3ubuntu3.1" }, { "binary_name": "zsh-dbgsym", "binary_version": "5.4.2-3ubuntu3.1" }, { "binary_name": "zsh-dev", "binary_version": "5.4.2-3ubuntu3.1" }, { "binary_name": "zsh-doc", "binary_version": "5.4.2-3ubuntu3.1" }, { "binary_name": "zsh-static", "binary_version": "5.4.2-3ubuntu3.1" }, { "binary_name": "zsh-static-dbgsym", "binary_version": "5.4.2-3ubuntu3.1" } ] }