CVE-2026-34774 Electron: Use-after-free in offscreen child window paint callback

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 39.8.1, 40.7.0, and 41.0.0, apps that use offscreen rendering and allow child windows via window.open may be vulnerable to a use-after-free. If the parent offscreen WebContent...

CVE-2026-34774

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 39.8.1, 40.7.0, and 41.0.0, apps that use offscreen rendering and allow child windows via window.open may be vulnerable to a use-after-free. If the parent offscreen WebContent...

CVE-2026-34774 Electron: Use-after-free in offscreen child window paint callback

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 39.8.1, 40.7.0, and 41.0.0, apps that use offscreen rendering and allow child windows via window.open may be vulnerable to a use-after-free. If the parent offscreen WebContent...

CVE-2026-34774

Electron is affected when apps use offscreen rendering (webPreferences.offscreen: true) and allow child windows via window.open(). In such cases, if the parent offscreen WebContents is destroyed while a child window remains open, subsequent paint frames on the child can dereference freed memory, ...

CVE-2026-34774 Electron: Use-after-free in offscreen child window paint callback

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 39.8.1, 40.7.0, and 41.0.0, apps that use offscreen rendering and allow child windows via window.open may be vulnerable to a use-after-free. If the parent offscreen WebContent...

GHSA-8X5Q-PVF5-64MP Electron: Use-after-free in offscreen shared texture release() callback

Impact Apps that use offscreen rendering with GPU shared textures may be vulnerable to a use-after-free. Under certain conditions, the release callback provided on a paint event texture can outlive its backing native state, and invoking it after that point dereferences freed memory in the main...

Use After Free

Overview electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. Affected versions of this package are vulnerable to Use After Free in the release callback of the paint event, when offscreen rendering with GPU shared textures is enabled. An...

Electron: Use-after-free in offscreen shared texture release() callback

Impact Apps that use offscreen rendering with GPU shared textures may be vulnerable to a use-after-free. Under certain conditions, the release callback provided on a paint event texture can outlive its backing native state, and invoking it after that point dereferences freed memory in the main...

GHSA-532V-XPQ5-8H95 Electron: Use-after-free in offscreen child window paint callback

Impact Apps that use offscreen rendering and allow child windows via window.open may be vulnerable to a use-after-free. If the parent offscreen WebContents is destroyed while a child window remains open, subsequent paint frames on the child dereference freed memory, which may lead to a crash or...

Electron: Use-after-free in offscreen child window paint callback

Impact Apps that use offscreen rendering and allow child windows via window.open may be vulnerable to a use-after-free. If the parent offscreen WebContents is destroyed while a child window remains open, subsequent paint frames on the child dereference freed memory, which may lead to a crash or...

Use After Free

Overview org.webjars.npm:electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. Affected versions of this package are vulnerable to Use After Free in the offscreen rendering process when a parent WebContents is destroyed while a child wind...

Use After Free

Overview electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. Affected versions of this package are vulnerable to Use After Free in the offscreen rendering process when a parent WebContents is destroyed while a child window remains open...

PT-2026-30277

Name of the Vulnerable Software and Affected Versions Electron versions 33.0.0-alpha.1 through 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5 Description Electron applications utilizing offscreen rendering with GPU shared textures may experience a use-after-free condition. Specifically, the release...

PT-2026-30004

Name of the Vulnerable Software and Affected Versions Electron versions prior to 39.8.1, 40.7.0, and 41.0.0 Description Electron applications utilizing offscreen rendering and allowing child windows through window.open may experience a use-after-free condition. Specifically, if a parent offscreen...