A flaw in Node.js HTTP/2 handling allows `nghttp2_session_mem_send()` to be called re-entrantly while `nghttp2_session_mem_recv()` is executing, resulting in a heap-use-after-free. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.
CVSS Details
- CVSS 3.0 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade nodejsUpgrade nodejs-current | Aug 5, 2026 | Aug 4, 2026 |
| Amazon_linux_2023 | — | Upgrade nodejs24-debugsourceUpgrade nodejs22-libsUpgrade nodejs22-develUpgrade nodejs24-libs-debuginfoUpgrade nodejs22-debugsourceUpgrade nodejs24-docsUpgrade nodejs22-npmUpgrade nodejs24Upgrade nodejs22-libs-debuginfoUpgrade nodejs22-full-i18nUpgrade nodejs22Upgrade nodejs24-npmUpgrade v8-12.4-develUpgrade nodejs22-docsUpgrade nodejs24-full-i18nUpgrade nodejs22-debuginfoUpgrade v8-13.6-develUpgrade nodejs24-libsUpgrade nodejs24-debuginfoUpgrade nodejs24-devel | Aug 18, 2026 | Aug 4, 2026 |
| Redhat_linux | — | Upgrade npmUpgrade nodejs-full-i18nUpgrade nodejs24-debuginfoUpgrade nodejs24-npmUpgrade v8-12.4-develUpgrade nodejs24-libs-debuginfoUpgrade nodejs-libsUpgrade nodejs24-docsUpgrade nodejs22-debuginfoUpgrade nodejs-npmUpgrade nodejs-nodemonUpgrade nodejs-libs-debuginfoUpgrade nodejs24Upgrade nodejs-debuginfoNo solution existsUpgrade nodejs-packaging-bundlerUpgrade nodejs24-full-i18nUpgrade nodejs22-debugsourceUpgrade nodejsUpgrade nodejs24-libsUpgrade nodejs24-develUpgrade nodejs-packagingUpgrade nodejs-docsUpgrade v8-13.6-develUpgrade nodejs-develUpgrade nodejs24-debugsourceUpgrade nodejs-debugsource | Aug 10, 2026 | Aug 4, 2026 |
| Rocky_linux | — | Upgrade nodejs24-debugsourceUpgrade nodejs-debugsourceUpgrade nodejs-libs-debuginfoUpgrade nodejs24Upgrade nodejs-npmUpgrade v8-13.6-develUpgrade nodejs-libsUpgrade v8-12.4-develUpgrade nodejs22-debuginfoUpgrade nodejs-develUpgrade nodejs24-debuginfoUpgrade nodejs24-develUpgrade nodejs22-debugsourceUpgrade nodejs-full-i18nUpgrade nodejs24-libs-debuginfoUpgrade nodejsUpgrade nodejs24-libsUpgrade nodejs24-full-i18nUpgrade nodejs-debuginfoUpgrade npm | Sep 2, 2026 | Aug 31, 2026 |
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