CVE-2017-7753: Out-of-bounds read with cached style data and pseudo-elements CVE-2017-7779: Memory safety bugs CVE-2017-7784: Use-after-free with image observers CVE-2017-7785: Buffer overflow manipulating ARIA attributes in DOM CVE-2017-7786: Buffer overflow while painting non-displayable SVG CVE-2017-7787: Same-origin policy bypass with iframes through page reloads CVE-2017-7791: Spoofing following page navigation with data: protocol and modal alerts CVE-2017-7792: Buffer overflow viewing certificates with an extremely long OID CVE-2017-7798: XUL injection in the style editor in devtools CVE-2017-7800: Use-after-free in WebSockets during disconnection CVE-2017-7801: Use-after-free with marquee during window resizing CVE-2017-7802: Use-after-free resizing image elements CVE-2017-7803: CSP containing "sandbox" improperly CVE-2017-7807: Domain hijacking through AppCache fallback CVE-2017-7809: Use-after-free while deleting attached editor DOM node Fixed in: Firefox ESR 52.3