GNOME Evolution before 3.2.3 allows user-assisted remote attackers to read arbitrary files via the attachment parameter to a mailto: URL, which attaches the file to the email.
https://git.gnome.org/browse/evolution/commit/?id=588c410718068388f8ce0004a71c104a4c89cce3
https://git.gnome.org/browse/evolution/commit/?id=0a478083fa31aec0059bc6feacc054226fe55b56
https://exchange.xforce.ibmcloud.com/vulnerabilities/82450
https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-3165