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CVE-2021-25289

Published: 3 March 2021

An issue was discovered in Pillow before 8.1.1. TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode. NOTE: this issue exists because of an incomplete fix for CVE-2020-35654.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
pillow
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal
Released (7.0.0-4ubuntu0.3)
groovy
Released (7.2.0-1ubuntu0.2)
hirsute Not vulnerable
(8.1.2-1)
impish Not vulnerable
(8.1.2-1)
jammy Not vulnerable
(8.1.2-1)
kinetic Not vulnerable
(8.1.2-1)
lunar Not vulnerable
(8.1.2-1)
mantic Not vulnerable
(8.1.2-1)
trusty Not vulnerable
(code not present)
upstream
Released (8.1.1)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/python-pillow/Pillow/commit/3fee28eb9479bf7d59e0fa08068f9cc4a6e2f04c
pillow-python2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

groovy Ignored
(end of life)
hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

python-imaging
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H