CVE-2021-28677

A flaw was found in python-pillow. The readline used in EPS has to deal with any combination of \r and \n as line endings. It accidentally used a quadratic method of accumulating lines while looking for a line ending. A malicious EPS file could use this to perform a denial-of-service of Pillow in the open phase, before an image was accepted for opening.

Mitigation

To mitigate this feature on Red Hat Quay keep the invoice generation feature disabled, as it is by default.