CVE-2021-25289

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.htmlRelease Notes, Vendor Advisory
https://security.gentoo.org/glsa/202107-33Third Party Advisory
https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.htmlRelease Notes, Vendor Advisory
https://security.gentoo.org/glsa/202107-33Third Party Advisory

Timeline

Published: Mar 19, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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