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GHSA-9w97-2464-8783

Electron: Use-after-free in download save dialog callback

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-34772

Packages

EcosystemPackageAffectedFixed in
npm electron < 38.8.6 38.8.6
npm electron >= 39.0.0-alpha.1, < 39.8.0 39.8.0
npm electron >= 40.0.0-alpha.1, < 40.7.0 40.7.0
npm electron >= 41.0.0-alpha.1, < 41.0.0-beta.7 41.0.0-beta.7

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact Apps that allow downloads and programmatically destroy sessions may be vulnerable to a use-after-free. If a session is torn down while a native save-file dialog is open for a download, dismissing the dialog dereferences freed memory, which may lead to a crash or memory corruption. Apps that do not destroy sessions at runtime, or that do not permit downloads, are not affected. ### Workarounds Avoid destroying sessions while a download save dialog may be open. Cancel pending downloads before session teardown. ### Fixed Versions * `41.0.0-beta.7` * `40.7.0` * `39.8.0` * `38.8.6` ### For more information If there are any questions or comments about this advisory, please email [[email protected]](mailto:[email protected])

References

External links from the advisory. They lead to third-party sites.