CVE-2020-35653

HIGH

Python Pillow < 8.1.0 - Out-of-Bounds Read

Title source: rule

Description

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.

References (4)

[Mailing List] https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html

[Release Notes, Third Party Advisory] https://pillow.readthedocs.io/en/stable/releasenotes/index.html

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/

Scores

CVSS v3 7.1

EPSS 0.0029

EPSS Percentile 52.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-125

Status published

Affected Products (5)

python/pillow < 8.1.0

fedoraproject/fedora

debian/debian_linux

pypi/pillow < 8.1.0PyPI

Timeline

Published Jan 12, 2021

Tracked Since Feb 18, 2026