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A flaw in V8's string hashing mechanism causes integer-like strings to be hashed to their numeric value, making hash collisions trivially predictable. By crafting a request that causes many such collisions in V8's internal string table, an attacker can significantly degrade performance of the Node.js process. The most common trigger is any endpoint that calls `JSON.parse()` on attacker-controlled input, as JSON parsing automatically internalizes short strings into the affected hash table. This vulnerability affects **20.x, 22.x, 24.x, and 25.x**.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade npmUpgrade nodejs-develUpgrade nodejs-docsUpgrade nodejsUpgrade nodejs-libsUpgrade v8-13.6-develUpgrade nodejs-packaging-bundlerUpgrade nodejs-nodemonUpgrade nodejs-packagingUpgrade nodejs-full-i18n | Apr 16, 2026 | Apr 9, 2026 |
| Alpine Linux | — | Upgrade nodejs | Mar 31, 2026 | Mar 30, 2026 |
| Amazon_linux_2023 | — | Upgrade nodejs24-libs-debuginfoUpgrade nodejs20-develUpgrade nodejs22-libs-debuginfoUpgrade nodejs22-full-i18nUpgrade nodejs24-debuginfoUpgrade v8-11.3-develUpgrade nodejs22-develUpgrade v8-12.4-develUpgrade v8-13.6-develUpgrade nodejs22-debuginfoUpgrade nodejs24-full-i18nUpgrade nodejs20Upgrade nodejs22-npmUpgrade nodejs20-debuginfoUpgrade nodejs20-npmUpgrade nodejs20-libs-debuginfoUpgrade nodejs24-docsUpgrade nodejs22-docsUpgrade nodejs24-libsUpgrade nodejs22Upgrade nodejs22-libsUpgrade nodejs20-full-i18nUpgrade nodejs20-docsUpgrade nodejs20-libsUpgrade nodejs24-npmUpgrade nodejs24-debugsourceUpgrade nodejs24Upgrade nodejs24-develUpgrade nodejs20-debugsourceUpgrade nodejs22-debugsource | Apr 14, 2026 | Mar 30, 2026 |
| Debian | — | Upgrade nodejs | Jul 23, 2026 | Jul 23, 2026 |
| Oracle_linux | — | Upgrade nodejsUpgrade npmUpgrade nodejs24-develUpgrade nodejs-libsUpgrade nodejs24Upgrade nodejs-nodemonUpgrade nodejs24-npmUpgrade nodejs-docsUpgrade nodejs-full-i18nUpgrade nodejs-develUpgrade v8-13.6-develUpgrade nodejs24-docsUpgrade nodejs24-full-i18nUpgrade nodejs24-libsUpgrade nodejs-packagingUpgrade nodejs-packaging-bundler | Apr 22, 2026 | Mar 30, 2026 |
| Redhat_linux | — | Upgrade nodejs-libs-debuginfoUpgrade nodejs-libsUpgrade nodejsUpgrade nodejs24-npmUpgrade nodejs24-debuginfoUpgrade nodejs-develUpgrade npmUpgrade nodejs24Upgrade nodejs-docsUpgrade nodejs-nodemonUpgrade v8-13.6-develUpgrade nodejs24-develUpgrade nodejs-packaging-bundlerUpgrade nodejs-full-i18nUpgrade nodejs24-docsUpgrade nodejs24-libs-debuginfoUpgrade nodejs-debuginfoUpgrade nodejs-debugsourceUpgrade nodejs-packagingNo solution existsUpgrade nodejs24-full-i18nUpgrade nodejs24-debugsourceUpgrade nodejs24-libs | Apr 13, 2026 | Mar 30, 2026 |
| Rocky_linux | — | Upgrade nodejs24-debugsourceUpgrade nodejs24-full-i18nUpgrade nodejsUpgrade nodejs24-libs-debuginfoUpgrade nodejs-debugsourceUpgrade nodejs24-libsUpgrade nodejs-full-i18nUpgrade nodejs-debuginfoUpgrade nodejs-libsUpgrade nodejs-libs-debuginfoUpgrade nodejs24-debuginfoUpgrade nodejs24-develUpgrade nodejs-develUpgrade v8-13.6-develUpgrade nodejs24 | Apr 13, 2026 | Apr 10, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Mar 30, 2026 |
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