Filename: ///usr/share//icons/////Adwaita/scalable//status/software-update-urgent-symbolic.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path class="warning" d="M8 .058L5.735 3.471 2.323 2.323 3.47 5.735.058 8l3.412 2.265-1.147 3.412 3.412-1.148L8 15.942l2.264-3.413 3.413 1.148-1.148-3.412L15.942 8l-3.413-2.265 1.148-3.412-3.413 1.148zM7 4h2v5H7zm1.03 5.737a1.272 1.272 0 110 2.544 1.272 1.272 0 010-2.544z" fill="#f57900" fill-rule="evenodd"/></svg>

./Ninja\.