Source: mysql-5.7 Version: 5.7.18-1 Severity: normal Tags: patch With gcc in stretch defaulting to PIE, hardening=+all,-pie changed semantics from "enable hardening but not PIE" to "enable all hardening and explicitely disable the default PIE". The latter is usually not intended.
The -pie in hardening flags was in some cases required in pre-stretch releases to avoid build failures caused by (incorrectly) passing -fPIE to the compiler when building shared libraries or plugins. This problem does no longer exist. Please consider applying the following patch: --- debian/rules.old 2017-06-24 11:54:15.000000000 +0000 +++ debian/rules 2017-06-24 11:54:21.000000000 +0000 @@ -4,7 +4,7 @@ # enable Debian Hardening # see: https://wiki.debian.org/Hardening -export DEB_BUILD_MAINT_OPTIONS = hardening=+all,-pie +export DEB_BUILD_MAINT_OPTIONS = hardening=+all DPKG_EXPORT_BUILDFLAGS = 1 include /usr/share/dpkg/buildflags.mk