High

@electron/packager's build process memory potentially leaked into final executable

  • Disclosed: 29.03.2024
  • Updated: 11.10.2026 10:22

Impact

A random segment of ~1-10kb of Node.js heap memory allocated either side of a known buffer will be leaked into the final executable. This memory could contain sensitive information such as environment variables, secrets files, etc.

Patches

This issue is patched in 18.3.1

Workarounds

No workarounds, please update to a patched version of @electron/packager immediately if impacated.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package @electron/packager >= 18.3.0, < 18.3.1 18.3.1

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-402
Platform
npm
Package
@electron/packager
Disclosed
29.03.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-34h3-8mw4-qw57 - CC BY 4.0

Vulnerability history: @electron/packager

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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