In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the standalone emerge-webrsync downloads a .gpgsig file but does not perform signature verification. Unless emerge-webrsync is used, Portage is not vulnerable.Referenceshttps://wiki.gentoo.org/wiki/Portagehttps://gitweb.gentoo.org/proj/portage.git/tree/NEWShttps://bugs.gentoo.org/597800