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.
lists.opensuse.org/opensuse-security-announce/2019-06/msg00002.html
lists.opensuse.org/opensuse-security-announce/2019-06/msg00029.html
lists.opensuse.org/opensuse-security-announce/2019-06/msg00084.html
access.redhat.com/errata/RHSA-2019:1265
access.redhat.com/errata/RHSA-2019:1267
access.redhat.com/errata/RHSA-2019:1269
access.redhat.com/errata/RHSA-2019:1308
access.redhat.com/errata/RHSA-2019:1309
access.redhat.com/errata/RHSA-2019:1310
bugzilla.mozilla.org/show_bug.cgi?id=1528909
lists.debian.org/debian-lts-announce/2019/05/msg00032.html
lists.debian.org/debian-lts-announce/2019/05/msg00038.html
seclists.org/bugtraq/2019/May/56
seclists.org/bugtraq/2019/May/59
seclists.org/bugtraq/2019/May/67
usn.ubuntu.com/3997-1/
www.debian.org/security/2019/dsa-4448
www.debian.org/security/2019/dsa-4451
www.mozilla.org/security/advisories/mfsa2019-07/