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CVE-2026-29074
JavaScript vulnerability analysis and mitigation

SVGO, short for SVG Optimizer, is a Node.js library and command-line application for optimizing SVG files. From version 2.1.0 to before version 2.8.1, from version 3.0.0 to before version 3.3.3, and before version 4.0.1, SVGO accepts XML with custom entities, without guards against entity expansion or recursion. This can result in a small XML file (811 bytes) stalling the application and even crashing the Node.js process with JavaScript heap out of memory. This issue has been patched in versions 2.8.1, 3.3.3, and 4.0.1.


SourceNVD

Related JavaScript vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

GHSA-3hfp-gqgh-xc5gCRITICAL9.6
  • JavaScriptJavaScript
  • @lightdash/cli
NoYesApr 02, 2026
CVE-2026-34950CRITICAL9.1
  • JavaScriptJavaScript
  • fast-jwt
NoNoApr 02, 2026
CVE-2026-34752HIGH8.7
  • JavaScriptJavaScript
  • haraka
NoYesApr 02, 2026
CVE-2026-34825HIGH8.5
  • JavaScriptJavaScript
  • @nocobase/plugin-workflow-sql
NoYesApr 02, 2026
GHSA-ccgf-5rwj-j3hvLOW2.1
  • JavaScriptJavaScript
  • telejson
NoYesApr 02, 2026

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