| Name | CVE-2026-67213 |
| Description | nanoid (Nano ID) before 5.1.6 contains an infinite loop in the customAlphabet and customRandom functions. When these functions are configured with a size of 0, the internal generation loop never satisfies its exit condition and spins indefinitely, hanging the calling thread. An application that passes an unvalidated, attacker-controlled size of 0 to these functions is exposed to a denial-of-service condition. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| node-mocha (PTS) | bullseye | 8.2.1+ds1+~cs29.4.27-3 | vulnerable |
| bullseye (security) | 8.2.1+ds1+~cs29.4.27-3+deb11u1 | vulnerable | |
| bookworm | 10.1.0+ds1+~cs29.3.1-1 | fixed | |
| trixie | 10.7.2+ds1+~cs33.1.11-2 | fixed | |
| forky, sid | 11.7.7+ds1+~cs36.3.16-1 | fixed | |
| node-postcss (PTS) | bullseye | 8.2.1+~cs5.3.23-8 | vulnerable |
| bullseye (security) | 8.2.1+~cs5.3.23-8+deb11u1 | vulnerable | |
| bookworm | 8.4.20+~cs8.0.23-1+deb12u1 | vulnerable | |
| trixie | 8.4.49+~cs9.2.32-1 | vulnerable | |
| forky | 8.5.15+~cs9.3.39-1 | fixed | |
| sid | 8.5.23+~cs10.2.23-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| node-mocha | source | (unstable) | 9.1.4+ds1+~cs28.2.8-1 | |||
| node-postcss | source | (unstable) | 8.5.8+~cs9.3.30-1 |
node-postcss bundles nanoid
node-mocha/9.1.4+ds1+~cs28.2.8-1 removes the node-nanoid copy
Fixed by: https://github.com/ai/nanoid/commit/cb3626d0f3342fdf179cd425fd9c4fbb92c7d0e7 (5.1.6)