CVE-2025-6199

CVE-2025-6199 affects the GIF LZW decoder in GdkPixbuf (gdk-pixbuf2). When an invalid symbol is decompressed, the output size is set to the full buffer length instead of the number of written bytes, causing uninitialized buffer areas to be emitted and potentially leaking memory contents from GIF ...

CVE-2020-12407

Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the user, but not observable from web content. This vulnerability affects Firefox 77...