CVE-2017-17523

high

Published 2017-12-11 · Modified 2026-05-13

CVSS v3

8.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2

6.8

VIR risk

8.8

Description

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.

Predictions

Exploit likelihood

92%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-17523

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://sourceforge.net/p/testlilyissues/issues/5243/

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`2.18.2-12`
debian	bullseye	fixed	`2.18.2-12`
debian	forky	fixed	`2.18.2-12`
debian	sid	fixed	`2.18.2-12`
debian	trixie	fixed	`2.18.2-12`

Application impact

Vendor	Product	Versions	Fixed
lilypond	lilypond	`2.19.80`

References

CWEs

CWE-74

Verify integrity in audit chain (admin only). AS-IS.