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Google — security advisories

100 advisorieslatest 2026-08-26⚡ RSS feed

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CVE-2026-21717: 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 h

mediumCVSS 5.9CVE-2026-21717msrc2026-08-06