[Trisquel-users] Re : ebook reader advice
OK. The situation is the same as with Office documents (except that an Office document is a more effective vector of malware): https://en.wikipedia.org/wiki/Macro_virus So, do whatever you do when you open an Office document.
[Trisquel-users] Re : ebook reader advice
The link you gave say: Check Point researcher Liad Mizrachi has conducted research showing that .chm files can be used to execute code on a victim computer running Microsoft Windows Vista, and higher. Although GNU/Linux is certainly "higher" than any version of Windows, I do not think that sentence includes it! :-)
[Trisquel-users] Re : ebook reader advice
xchm is in Trisquel's repository.
[Trisquel-users] Re : ebook reader advice
CHM is just glorified HTML (with an index): https://en.wikipedia.org/wiki/Microsoft_Compiled_HTML_Help