What’s Vulnerable › Vulnerabilities

CVE-2024-29900: @electron/packager's build process memory potentially leaked into final executable

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-29 · updated 2026-06-17
• Weakness: CWE-402

Description

Electron Packager bundles Electron-based application source code with a renamed Electron executable and supporting files into folders ready for distribution. 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. This issue is patched in 18.3.1.

Affected products

• electron packager: 18.3.0

References

• https://github.com/electron/packager/commit/d421d4bd3ced889a4143c5c3ab6d95e3be249eee
• https://github.com/electron/packager/security/advisories/GHSA-34h3-8mw4-qw57
• https://github.com/electron/packager/commit/d421d4bd3ced889a4143c5c3ab6d95e3be249eee
• https://github.com/electron/packager/security/advisories/GHSA-34h3-8mw4-qw57

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