CVE-2021-28678
MEDIUMPillow < 8.2.0 - Denial of Service via BLP Image Data Handling
Title source: llmDescription
An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.
References (4)
Core 4
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28678-fix-blp-dos
Patch, Third Party Advisory x_refsource_misc
https://github.com/python-pillow/Pillow/pull/5377
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202107-33
Scores
CVSS v3
5.5
EPSS
0.0011
EPSS Percentile
28.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-345
Status
published
Products (3)
fedoraproject/fedora
33
pypi/Pillow
5.1.0 - 8.2.0PyPI
python/pillow
< 8.2.0
Published
Jun 02, 2021
Tracked Since
Feb 18, 2026