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CVE-2020-35653

Published: 12 January 2021

In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the user-supplied stride value is trusted for buffer calculations.

Priority

Medium

Cvss 3 Severity Score

7.1

Score breakdown

Status

Package Release Status
pillow
Launchpad, Ubuntu, Debian
impish Not vulnerable
(8.1.0-1)
trusty
Released (2.3.0-1ubuntu3.4+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic
Released (5.1.0-1ubuntu0.4)
focal
Released (7.0.0-4ubuntu0.2)
groovy
Released (7.2.0-1ubuntu0.1)
hirsute Not vulnerable
(8.1.0-1)
upstream
Released (8.1.0-1)
xenial
Released (3.1.2-0ubuntu1.5)
jammy Not vulnerable
(8.1.0-1)
lunar Not vulnerable
(8.1.0-1)
kinetic Not vulnerable
(8.1.0-1)
mantic Not vulnerable
(8.1.0-1)
Patches:
upstream: https://github.com/python-pillow/Pillow/commit/2f409261eb1228e166868f8f0b5da5cda52e55bf
upstream: https://github.com/python-pillow/Pillow/commit/903c67353da1dc3a59d5367338e76101a9cfb4b1
pillow-python2
Launchpad, Ubuntu, Debian
impish Does not exist

bionic Does not exist

focal Needs triage

groovy Ignored
(end of life)
hirsute Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

jammy Does not exist

lunar Does not exist

kinetic Does not exist

mantic Does not exist

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

bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

jammy Does not exist

lunar Does not exist

kinetic Does not exist

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 7.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H