CVE-2026-59879
1 advisory.
npm/immutable CVE-2026-59879: high 7.5
Immutable.js `List` 32-bit trie overflow → unrecoverable DoS
Action: Upgrade immutable to 3.8.4 or later.
npm i immutable@4.3.9npm i immutable@5.1.8npm i immutable@3.8.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.0.0-rc.1 | 4.3.9 | - |
| 5.0.0-beta.1 | 5.1.8 | - |
| 0 | 3.8.4 | - |
Fixed versions
| 4.3.9 | 5.1.8 | 3.8.4 |
Sources
- osv: GHSA-v56q-mh7h-f735
- https://github.com/immutable-js/immutable-js/security/advisories/GHSA-v56q-mh7h-f735
- https://nvd.nist.gov/vuln/detail/CVE-2026-59879
- https://github.com/immutable-js/immutable-js/commit/a1a1ee412dcaa380ab325196283d06594ffe4b84
- https://github.com/immutable-js/immutable-js/commit/f0bc997d8eb9886aff2236635aa210a95a04304a
- https://github.com/immutable-js/immutable-js
- https://github.com/immutable-js/immutable-js/releases/tag/v3.8.4
- https://github.com/immutable-js/immutable-js/releases/tag/v4.3.9
- https://github.com/immutable-js/immutable-js/releases/tag/v5.1.8
CVE-2026-59879 · published · modified · JSON