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CVE-2026-33285
JavaScript vulnerability analysis and mitigation

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.


SourceNVD

Related JavaScript vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-33287HIGH7.5
  • JavaScriptJavaScript
  • liquidjs
NoNoMar 26, 2026
CVE-2026-33285HIGH7.5
  • JavaScriptJavaScript
  • liquidjs
NoNoMar 26, 2026
CVE-2026-33671HIGH7.5
  • JavaScriptJavaScript
  • picomatch
NoYesMar 25, 2026
CVE-2026-33672MEDIUM5.3
  • JavaScriptJavaScript
  • picomatch
NoYesMar 25, 2026
GHSA-v3rj-xjv7-4jmqMEDIUM5.3
  • JavaScriptJavaScript
  • smol-toml
NoYesMar 25, 2026

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