CVE-2020-11538

Name: CVE-2020-11538
Creator: NVD / NIST
Published: 2020-06-25T19:15:12.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 2.43%

Last modified Jun 17, 2026

CVE-2020-11538 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 2.43% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

2.43%

82.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Python	Pillow	<= 7.0.0
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	20.04

References

https://github.com/python-pillow/Pillow/pull/4504Issue Tracking, Patch
https://github.com/python-pillow/Pillow/pull/4538Issue Tracking, Patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427/
https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.htmlProduct
https://pillow.readthedocs.io/en/stable/releasenotes/index.htmlRelease Notes
https://usn.ubuntu.com/4430-1/Third Party Advisory
https://usn.ubuntu.com/4430-2/Third Party Advisory
https://github.com/python-pillow/Pillow/pull/4504Issue Tracking, Patch
https://github.com/python-pillow/Pillow/pull/4538Issue Tracking, Patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427/
https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.htmlProduct
https://pillow.readthedocs.io/en/stable/releasenotes/index.htmlRelease Notes
https://usn.ubuntu.com/4430-1/Third Party Advisory
https://usn.ubuntu.com/4430-2/Third Party Advisory

Timeline

Published: Jun 25, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11538?

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.

How severe is CVE-2020-11538?

CVE-2020-11538 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11538?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-11538?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST