CVE-2020-11538: High severity Python Pillow vulnerability
An out-of-bounds read/write flaw was found in python-pillow, in the way SGI RLE images are decoded. An application that uses python-pillow to decode untrusted images may be vulnerable. This flaw allows an attacker to crash the application or potentially execute code on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Other sources
In libImaging/SgiRleDecode.c in Pillow through 7.0.0, a number of out-of-bounds reads exist in the parsing of SGI image files, a different issue than CVE-2020-5311.
In libImaging/SgiRleDecode.c in Pillow through 7.0.0, a number of out-of-bounds reads/writes exist in the parsing of SGI image files, a different issue than CVE-2020-5311.
Pull Request:
https://github.com/python-pillow/Pillow/pull/4538
Upstream Advisory:
https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html
— Red Hat
Affected Software
Remediation
Patch Available
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is CVE-2020-11538?
CVE-2020-11538 is a vulnerability found in python-pillow, which allows an attacker to crash the application or execute code on the system.
What is the severity of CVE-2020-11538?
CVE-2020-11538 has a severity rating of 8.1, which is considered high.
How does CVE-2020-11538 affect python-pillow?
CVE-2020-11538 affects python-pillow by introducing an out-of-bounds read/write flaw during decoding of SGI RLE images.
How can I fix CVE-2020-11538?
To fix CVE-2020-11538, update python-pillow to version 7.1.0 or later.
Where can I find more information about CVE-2020-11538?
You can find more information about CVE-2020-11538 on the MITRE CVE website, the GitHub page for python-pillow, and the release notes for python-pillow version 7.1.0.