The abrt-action-install-debuginfo-to-abrt-cache help program in Automatic Bug Reporting Tool (ABRT) does not properly handle the process environment before invoking abrt-action-install-debuginfo, which allows local users to gain privileges.
https://github.com/abrt/abrt/commit/9a4100678fea4d60ec93d35f4c5de2e9ad054f3a
https://github.com/abrt/abrt/commit/9943a77bca37a0829ccd3784d1dfab37f8c24e7b