What’s Vulnerable › Vulnerabilities

CVE-2019-16865

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-04 · updated 2026-06-17
• Weakness: CWE-770

Description

An issue was discovered in Pillow before 6.2.0. When reading specially crafted invalid image files, the library can either allocate very large amounts of memory or take an extremely long period of time to process the image.

Affected products

• Fedoraproject Fedora: 30, 31
• python-pillow Pillow: before 6.2.0 — fixed in 6.2.0

How to fix

Upgrade to a fixed version: python-pillow Pillow 6.2.0. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2020:0566
• https://access.redhat.com/errata/RHSA-2020:0578
• https://access.redhat.com/errata/RHSA-2020:0580
• https://access.redhat.com/errata/RHSA-2020:0681
• https://access.redhat.com/errata/RHSA-2020:0683
• https://access.redhat.com/errata/RHSA-2020:0694
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EMJBUZQGQ2Q7HXYCQVRLU7OXNC7CAWWU/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYDXD7EE4YAEVSTNIFZKNVPRVJX5ZOG3/
• https://pillow.readthedocs.io/en/latest/releasenotes/6.2.0.html
• https://usn.ubuntu.com/4272-1/
• https://www.debian.org/security/2020/dsa-4631
• https://access.redhat.com/errata/RHSA-2020:0566

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