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CVE-2026-33285

CVE-2026-33285 · LiquidJS: memoryLimit Bypass through Negative Range Values Leads to Process Crash

This page contains facts from public vulnerability sources. Check the original advisory before updating.

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, LiquidJS's `memoryLimit` security mechanism can be completely bypassed by using reverse range expressions (e.g., `(100000000..1)`), allowing an attacker to allocate unlimited memory. Combined with a string flattening operation (e.g., `replace` filter), this causes a V8 Fatal error that crashes the Node.js process, resulting in complete denial of service from a single HTTP request. Version 10.25.1 patches the issue.

CVSS 7.5 · High · EPSS 0.4%

Published
Updated

Stack: node

Affected products and versions

  • liquidjs

    Versions
    • < 10.25.1: Affected

    No fix published

  • liquidjs npm

    Affected ranges
    • SEMVER: ≤ 10.24.0

    No fix published

Original sources

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