CVE-2017-17523: Lilypond

High severity, CVSS 8.8. EPSS: 2.1% chance of exploitation in the next 30 days.

lilypond-invoke-editor in LilyPond 2.19.80 does not validate strings before launching the program specified by the BROWSER environment variable, which allows remote attackers to conduct argument-injection attacks via a crafted URL, as demonstrated by a --proxy-pac-file argument.

Affected products

Published 2017-12-11. Last modified 2026-06-17.