* Fix exception in xattr module when existing extended attribute's value contains non-printable characters and the base64-encoded string contains a '=' sign
* Added changelog fragment for #3675
* Apply suggestions from code review
Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit 2f0ae0408d)
Co-authored-by: sc-anssi <sc-anssi@users.noreply.github.com>