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GHSA-95q3-8gr9-gm8w

Pillow Denial of Service by Uncontrolled Resource Consumption

Source: GitHub Advisory Database (reviewed) High CVE-2021-27923

Packages

EcosystemPackageAffectedFixed in
PyPI pillow < 8.1.2 8.1.2

Details

As written in the advisory (Markdown source, shown as plain text).

Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for an ICO container, and thus an attempted memory allocation can be very large.

References

External links from the advisory. They lead to third-party sites.