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.
https://www.debian.org/security/2020/dsa-4756
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W2JYMVLTPSNYS5F7TBHKIXUZZJIJAMRX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QG2JUV4UTIA27JUE6IZLCEFP5PYSFPF4/
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00076.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00064.html
http://git.savannah.gnu.org/gitweb/?p=lilypond.git%3Ba=commit%3Bh=b84ea4740f3279516905c5db05f4074e777c16ff
Source: Mitre, NVD
Published: 2020-08-05
Updated: 2024-11-21
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.01263