nanoid: non-secure generators can loop indefinitely with negative size
nanoid (Nano ID) before 5.1.16 contains an infinite loop in the customAlphabet and nanoid functions of its non-secure module (nanoid/non-secure). When these functions are given a negative size, the loop counter is decremented from a negative value and never reaches its termination condition, spinning indefinitely and hanging the calling thread. An application that passes an unvalidated, attacker-controlled negative size to these functions is exposed to a denial-of-service condition.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-67214US | high7.5 | — | ||
nanoid (Nano ID) before 3.3.16 and 5.1.16 contains an infinite loop in the customAlphabet and nanoid functions of its non-secure module (nanoid/non-secure). When these functions ar… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/ai/nanoidPACKAGE
- https://github.com/ai/nanoid/commit/6ccc67bbaba71d3d77a21d9b636f4171a268ce49WEB
- https://github.com/ai/nanoid/commit/e835c9b71eab832bc6106944bdd26ea96cf2c66dWEB
- https://github.com/ai/nanoid/pull/600WEB
- https://github.com/ai/nanoid/pull/601WEB
- https://github.com/ai/nanoid/releases/tag/5.1.16WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-67214ADVISORY
- https://www.vulncheck.com/advisories/nanoid-before-infinite-loop-via-negative-size-in-non-secure-moduleWEB
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