Cross-origin images can be read in violation of the same-origin policy by exporting an image after using createImageBitmap to read the image and then rendering the resulting bitmap image within a canvas element. This vulnerability affects Firefox < 66.

Cross-origin images can be read in violation of the same-origin policy by exporting an image after using createImageBitmap to read the image and then rendering the resulting bitmap image within a canvas element. This vulnerability affects Firefox < 66.

Security update for MozillaFirefox

mozilla: Cross-origin theft of images with ImageBitmapRenderingContext chromium-browser: Out of bounds read in Skia libpng: use-after-free in png_image_free in png.c Mozilla: Cross-origin theft of images with createImageBitmap Mozilla: Memory safety bugs fixed in Firefox 67 and Firefox ESR 60.7 Mozilla: Type confusion with object groups and UnboxedObjects Mozilla: Stealing of cross-domain images using canvas Mozilla: Compartment mismatch with fetch API Mozilla: Use-after-free of ChromeEventHa…

Security update for MozillaThunderbird

Affected: Ubuntu:14.04:LTS: firefox, Ubuntu:16.04:LTS: firefox, Ubuntu:16.04:LTS: thunderbird, Ubuntu:18.04:LTS: firefox, Ubuntu:18.04:LTS: thunderbird, Ubuntu:18.04:LTS: mozjs52, Ubuntu:18.04:LTS: mozjs38, Ubuntu:20.04:LTS: mozjs52

Cross-origin images can be read in violation of the same-origin policy by exporting an image after using createImageBitmap to read the image and then rendering the resulting bitmap image within a canvas element. This vulnerability affects F…