CVE-2020-35654

HIGH

Python Pillow < 8.1.0 - Out-of-Bounds Write

Title source: rule

Description

In Pillow before 8.1.0, TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode.

References (5)

[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/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQQY6472RX4J2SUJENWDZAWKTJJGP2ML/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTSY25UJU7NJUFHH3HWT575LT4TDFWBZ/

Scores

CVSS v3 8.8

EPSS 0.0020

EPSS Percentile 41.8%

Attack Vector NETWORK

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

Classification

CWE

CWE-787

Status published

Affected Products (4)

python/pillow < 8.1.0

fedoraproject/fedora

pypi/pillow < 8.1.0PyPI

Timeline

Published Jan 12, 2021

Tracked Since Feb 18, 2026