CVE-2024-29900
@electron/packager's build process memory potentially leaked into final executable
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
@electron/packager's build process memory potentially leaked into final executable
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.
- Record
CVE-2024-29900- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-402
- Updated
- 2026-11-02
EUVDEUVD-2024-0797
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.
- Record
EUVD-2024-0797- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-34h3-8mw4-qw57
@electron/packager's build process memory potentially leaked into final executable
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.
- Record
GHSA-34h3-8mw4-qw57- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-402
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-29900- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-402
- Updated
- 2026-11-02
OSV
@electron/packager's build process memory potentially leaked into final executable
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.
- Record
CVE-2024-29900- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-402
- Updated
- 2026-11-02
OSVGHSA-34h3-8mw4-qw57
@electron/packager's build process memory potentially leaked into final executable
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.
- Record
GHSA-34h3-8mw4-qw57- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-402
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@electron/packagernpm |
18.3.0 to 18.3.0 | 18.3.1 |
@electron/packagernpm |
18.3.0 up to 18.3.1 | 18.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-29900 is a high vulnerability (CVSS 7.5) in Electron Packager, published March 29, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. Fixed in @electron/packager 18.3.1.
References
github.com/electron/packager/security/advisories/GHSA-34h3-8mw4-qw57
nvd.nist.gov/vuln/detail/CVE-2024-29900