libreport 2.0.7 before 2.6.3 only saves changes to the first file when editing a crash report, which allows remote attackers to obtain sensitive information via unspecified vectors related to the (1) backtrace, (2) cmdline, (3) environ, (4) open_fds, (5) maps, (6) smaps, (7) hostname, (8) remote, (9) ks.cfg, or (10) anaconda-tb file attachment included in a Red Hat Bugzilla bug report.
https://github.com/abrt/libreport/commit/257578a23d1537a2d235aaa2b1488ee4f818e360
https://bugzilla.redhat.com/show_bug.cgi?id=1270903
http://www.securityfocus.com/bid/77685
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://rhn.redhat.com/errata/RHSA-2015-2505.html
http://rhn.redhat.com/errata/RHSA-2015-2504.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172695.html