[CLSA-2026:1779954198] Fix CVE(s): CVE-2026-21717
Type:
security
Severity:
Moderate
Release date:
2026-05-28 07:43:27 UTC
Description:
* SECURITY UPDATE: HashDoS in V8 — consecutive numeric strings collide in the internal string table, letting attacker-controlled JSON.parse input degrade performance in a local PoC against V8 10.2.154.26 - debian/patches/CVE-2026-21717.patch: scramble the 24-bit array-index value stored in a Name's hash_field via a 3-round xorshift-multiply with compile-time constants (no upstream Node.js 18 fix exists — 18.x went EOL before disclosure; this is an adapted reduced port, no rapidhash / HashSeed-view refactor) - CVE-2026-21717
Updated packages:
  • alt-nodejs18-docs_18.20.8-13_amd64.deb
    sha:eba669d0584611eb4de287b3b2e84fc34e96e596
  • alt-nodejs18-nodejs_18.20.8-13_amd64.deb
    sha:28a2f6c278ea92f144e162a094dda14452b2d443
  • alt-nodejs18-nodejs-devel_18.20.8-13_amd64.deb
    sha:ecbd768bfaa19efb2b36960343d930022300190d
  • alt-nodejs18-npm_10.8.2-18.20.8.13_amd64.deb
    sha:184abe771a41c08621943e6cba210a6aceaa7826
  • alt-nodejs18-docs_18.20.8-13_arm64.deb
    sha:a585955d7098c34c903b8a2fe4311e3fb0be5398
  • alt-nodejs18-nodejs_18.20.8-13_arm64.deb
    sha:a079cf64e48875da9bee2ca3b82bcb4ccc747108
  • alt-nodejs18-nodejs-devel_18.20.8-13_arm64.deb
    sha:64061f3ccddb394c67834ea483e028a9e0c0f92a
  • alt-nodejs18-npm_10.8.2-18.20.8.13_arm64.deb
    sha:1a3f06a65b4f0164c7910ab995b5ff75aa90d713
Notes:
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