What’s Vulnerable › Vulnerabilities

CVE-2020-11538

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-25 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 20.04
• Fedoraproject Fedora: 31, 32
• python-pillow Pillow: through 7.0.0

References

• https://github.com/python-pillow/Pillow/pull/4504
• https://github.com/python-pillow/Pillow/pull/4538
• 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.html
• https://pillow.readthedocs.io/en/stable/releasenotes/index.html
• https://usn.ubuntu.com/4430-1/
• https://usn.ubuntu.com/4430-2/
• https://github.com/python-pillow/Pillow/pull/4504
• https://github.com/python-pillow/Pillow/pull/4538
• 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/

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