CVE-2016-3076: Python Pillow

Medium severity, CVSS 5.5. EPSS: 2.6% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the j2k_encode_entry function in Pillow 2.5.0 through 3.1.1 allows remote attackers to cause a denial of service (memory corruption) via a crafted Jpeg2000 file.

Affected products

• Python Pillow: version 2.5.0 only; version 2.5.1 only; version 2.5.2 only; version 2.5.3 only; version 2.6.0 only; version 2.6.1 only; …

Published 2017-04-24. Last modified 2026-06-17.