CVE-2021-28675: Input Validation
First published: Thu Apr 01 2021(Updated: )
A flaw was found in python-pillow. PsdImagePlugin.PsdImageFile does not sanity check the number of input layers with regard to the size of the data block which could lead to a denial-of-service.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/Pillow | <8.2.0 | 8.2.0 |
| redhat/python-pillow | <0:5.1.1-16.el8 | 0:5.1.1-16.el8 |
| Python Pillow | <8.2.0 | |
| Fedoraproject Fedora | =33 | |
| <8.2.0 | ||
| =33 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-28675
- https://github.com/python-pillow/Pillow/pull/5377/commits/22e9bee4ef225c0edbb9323f94c26cee0c623497
- https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28675-fix-dos-in-psdimageplugin
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/
- https://security.gentoo.org/glsa/202107-33
- https://github.com/advisories/GHSA-g6rj-rv7j-xwp4 (Advisory)
- https://www.cve.org/CVERecord?id=CVE-2021-28675 https://nvd.nist.gov/vuln/detail/CVE-2021-28675
- https://bugzilla.redhat.com/show_bug.cgi?id=1958240
- https://access.redhat.com/errata/RHSA-2021:4149
- https://access.redhat.com/security/cve/cve-2021-28675
- https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#security
- https://github.com/python-pillow/Pillow/pull/5377
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1958244
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1958241
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1958242
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1958243
- https://github.com/python-pillow/Pillow/commit/22e9bee4ef225c0edbb9323f94c26cee0c623497
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/
- https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-139.yaml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL
Frequently Asked Questions
What is the vulnerability ID for this flaw?
The vulnerability ID for this flaw is CVE-2021-28675.
What is the severity level of CVE-2021-28675?
The severity level of CVE-2021-28675 is medium with a score of 5.5.
What is the affected software for CVE-2021-28675?
The affected software for CVE-2021-28675 includes Pillow versions up to 8.2.0 and python-pillow versions up to 0:5.1.1-16.el8.
How can I fix CVE-2021-28675?
To fix CVE-2021-28675, upgrade to Pillow version 8.2.0 or later, or python-pillow version 0:5.1.1-16.el8 or later.
Where can I find more information about CVE-2021-28675?
You can find more information about CVE-2021-28675 at the following references: [CVE-2021-28675](https://www.cve.org/CVERecord?id=CVE-2021-28675), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2021-28675), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1958240), [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2021:4149).
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