GitHub Security advisory for file-type < 21.3.1: malformed ASF input
with a zero-size sub-header triggers an infinite loop in the ASF parser
(medium severity). Our exposure is transitive — node-vibrant → jimp →
file-type — and only reached when extracting palette colors from album
artwork. Trusted Qobuz CDN + user-local library limit the practical
attack surface to near zero, but the alert is real and easy to close.
The upstream fix is a 6-line position-advance guard in core.js
(commit 319abf87). Cleanly backports to our 16.5.4 with identical
semantics. Applied via patch-package so the change survives every
`npm install` and is visible in the repo.
Direct upgrade to 21.3.1 wasn't viable: file-type went ESM-only at
17.0.0, and our jimp 0.22.x chain still uses CommonJS `require()` —
an override would have broken vibrant at runtime. Patch-package is
the right tool when upstream's only fix lives behind a breaking
module-system change.
Added `postinstall: patch-package` to package.json so the patch
applies automatically on fresh installs.
cc
vicrodh
db45051c45