scm/define-stencil-commands.scm in LilyPond through 2.20.0, and 2.21.x through 2.21.4, when -dsafe is used, lacks restrictions on embedded-ps and embedded-svg, as demonstrated by including dangerous PostScript code.Referenceshttp://git.savannah.gnu.org/gitweb/?p=lilypond.git%3Ba=commit%3Bh=b84ea4740f3279516905c5db05f4074e777c16ffhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QG2JUV4UTIA27JUE6IZLCEFP5PYSFPF4/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W2JYMVLTPSNYS5F7TBHKIXUZZJIJAMRX/https://www.debian.org/security/2020/dsa-4756http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00064.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00076.html