GHSA-V56Q-MH7H-F735 Immutable.js `List` 32-bit trie overflow → unrecoverable DoS

Summary Listset, ListsetSize, ListsetIn, ListupdateIn and the functional set / setIn / updateIn mishandle an index or size in the range 2 30, 2 31: - On an empty List the operation enters an uncatchable infinite loop a tight CPU spin; a surrounding try/catch never regains control. Only killing th...

CVE-2026-59879 Immutable.js `List` 32-bit trie overflow → unrecoverable DoS

Immutable.js provides many Persistent Immutable data structures. Prior to 4.3.9 and 5.1.8, Listset, ListsetSize, ListsetIn, ListupdateIn, and the functional set, setIn, and updateIn mishandle an index or size in the range 2 30 to 2 31 in setListBounds in src/List.js, causing an empty List to ente...

CVE-2026-59879 Immutable.js `List` 32-bit trie overflow → unrecoverable DoS

Immutable.js provides many Persistent Immutable data structures. Prior to 4.3.9 and 5.1.8, Listset, ListsetSize, ListsetIn, ListupdateIn, and the functional set, setIn, and updateIn mishandle an index or size in the range 2 30 to 2 31 in setListBounds in src/List.js, causing an empty List to ente...