#!/bin/bash # For use with .desktop files and MIME handlers so that the Ubuntu Policy # can be followed: programs cannot be executed when they lack the execute bit. # https://wiki.ubuntu.com/SecurityTeam/Policies#Execute-Permission%20Bit%20Required # # This was updated to fix CVE-2026-10037 and prevent application confinement escape exe="$1" shift || true if [ -n "$exe" ] && \ [ "${exe:0:5}" != "/usr/" ] && [ "${exe:0:5}" != "/opt/" ] then if [ -n "$DISPLAY" ] && [ -x /usr/bin/zenity ]; then /usr/bin/zenity --error --title "Blocked: $*" --text "For security reasons, running the file '$exe' has been blocked." else echo "$*: '$exe' has been blocked for security reasons. Aborting." >&2 fi exit 1 fi exec "$@" "$exe"
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