CVE-2016-3076

Publication date 24 April 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
pillow	16.04 LTS xenial	Not affected
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not in release
python-imaging	16.04 LTS xenial	Not in release
	15.10 wily	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Notes

mdeslaur

see if built against openjpeg

sbeattie

not built against openjpeg j2k support added to pillow in 2.4.0 release

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H