CVE-2017-17523

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.

• CWE-74

• https://bugs.debian.org/881767Issue Tracking, Third Party Advisory
• https://bugs.debian.org/884136Issue Tracking, Third Party Advisory
• https://sourceforge.net/p/testlilyissues/issues/5243/Issue Tracking, Patch
• https://bugs.debian.org/881767Issue Tracking, Third Party Advisory
• https://bugs.debian.org/884136Issue Tracking, Third Party Advisory
• https://sourceforge.net/p/testlilyissues/issues/5243/Issue Tracking, Patch

Published

Dec 11, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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