/usr/share/mozilla-extensions/nukeimage/ is in mozilla-nukeimage 0.3-12.
This file is owned by root:root, with mode 0o755.
..
/usr/share/mozilla-extensions/nukeimage/chrome/
/usr/share/mozilla-extensions/nukeimage/chrome.d
/usr/share/mozilla-extensions/nukeimage/chrome.manifest
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/content/
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/content/nukeimage/
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/content/nukeimage/contents.rdf
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/content/nukeimage/nukeimageOverlay.js
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/content/nukeimage/nukeimageOverlay.xul
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/locale/
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/locale/en-US/
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/locale/en-US/nukeimage/
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/locale/en-US/nukeimage/contents.rdf
/usr/share/mozilla-extensions/nukeimage/chrome/nukeimage/locale/en-US/nukeimage/nukeimage.dtd
/usr/share/mozilla-extensions/nukeimage/extensions.d
/usr/share/mozilla-extensions/nukeimage/install.rdf
/usr/share/mozilla-extensions/nukeimage/uninstall/
/usr/share/mozilla-extensions/nukeimage/uninstall/Uninstall