Debian/nodejs: medium 5.9
A flaw in Node.js HMAC verification uses a non-constant-time comparison when validating user-provided signatures, potentially leaking timing information proportional to the number of matching bytes. U
Action: Upgrade nodejs to 20.19.2+dfsg-1+deb13u2 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 20.19.2+dfsg-1+deb13u2 | - |
Fixed versions
| 20.19.2+dfsg-1+deb13u2 |
Sources
- osv: DEBIAN-CVE-2026-21713#Debian:13/nodejs
- https://security-tracker.debian.org/tracker/CVE-2026-21713
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