WID-SEC-W-2026-0843

csafDEcert_bund

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Node.js: Mehrere Schwachstellen

Advisory ansehen veröffentlicht 2026-03-24

Ein Angreifer kann mehrere Schwachstellen in Node.js ausnutzen, um einen Denial of Service zu verursachen, Sicherheitsmaßnahmen zu umgehen und Informationen offenzulegen.

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beschreibt (10)

Zugehörige CVEs.

IDSchweregrad ausnutzbar
CVE-2026-21717USmedium5.9Exploit
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 ca…
CVE-2026-21716US—OT erhöht—
An incomplete fix for CVE-2024-36137 leaves `FileHandle.chmod()` and `FileHandle.chown()` in the promises API without the required permission checks, while their callback-based equ…
CVE-2026-21715US——
A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync.native()` without the required read permission checks, while all comparable filesystem functions c…
CVE-2026-21714US——
A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOW_UPDATE frames on stream 0 (connection-level) that cause the flow control window to exceed the maximum valu…
CVE-2026-21713US——
A flaw in Node.js HMAC verification uses a non-constant-time comparison when validating user-provided signatures, potentially leaking timing information proportional to the number…
CVE-2026-21711US——
A flaw in Node.js Permission Model network enforcement leaves Unix Domain Socket (UDS) server operations without the required permission checks, while all comparable network paths…
CVE-2026-21710US—Exploit
A flaw in Node.js HTTP request handling causes an uncaught `TypeError` when a request is received with a header named `__proto__` and the application accesses `req.headersDistinct`…
CVE-2026-21712USmedium6.5—
A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid ch…
CVE-2026-21637UShigh7.5—
A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when `pskCallback` or `ALPNCallback` are in use. Synchronous exceptions t…
CVE-2024-36137US——
A vulnerability has been identified in Node.js, affecting users of the experimental permission model when the --allow-fs-write flag is used. Node.js Permission Model do not oper…
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Referenzen

Externe Belege — Patches, Meldungen, Analysen.

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