Out-of-bounds Read · CVE-2021-25288 · GitHub Advisory Database · GitHub

Out-of-bounds Read

Critical severity GitHub Reviewed Published Jun 8, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

Pillow (pip)

Affected versions

>= 2.4.0, < 8.2.0

Patched versions

8.2.0

Description

An issue was discovered in Pillow before 8.2.0. There is an out-of-bounds read in J2kDecode, in j2ku_gray_i. This dates to Pillow 2.4.0.

References

Published by the National Vulnerability Database

Jun 2, 2021

Reviewed Jun 3, 2021

Published to the GitHub Advisory Database Jun 8, 2021

Last updated Feb 1, 2023

Severity

Critical

9.1

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H