GHSA-f5g8-5qq7-938w

Pillow Out-of-bounds Read

At a glance

Published: 2021-03-18
Updated: 2024-10-08
CVE: CVE-2020-35653
Aliases: BIT-pillow-2020-35653, PYSEC-2021-69
CVSS_V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
CVSS_V4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

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.

Affected packages

Package	Versions
PyPI · pillow	introduced 0, fixed 8.1.0

References

https://nvd.nist.gov/vuln/detail/CVE-2020-35653 ADVISORY
https://github.com/python-pillow/Pillow/commit/2f409261eb1228e166868f8f0b5da5cda52e55bf WEB
https://github.com/advisories/GHSA-f5g8-5qq7-938w ADVISORY
https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-69.yaml WEB
https://github.com/python-pillow/Pillow PACKAGE
https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD WEB
https://pillow.readthedocs.io/en/stable/releasenotes/index.html WEB

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — GitHub Advisory Database