CVE Database›CVE-2020-11538

CVE-2020-11538

python-pillow: out-of-bounds reads/writes in the parsing of SGI image files in expandrow/expandrow2

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Severity

Important

Red Hat Product Security

8.1

CVSS 3.1

Review impact separately from score.

Published · July 1, 2020

Updated · June 28, 2026

Description

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.

Statement

This issue did not affect the versions of python-pillow and python-imaging as shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include the SGI RLE image decoder, where the flaw lies.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-122 · Heap-based Buffer Overflow