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Potential infinite loop in Pillow

High severity GitHub Reviewed Published Jun 8, 2021 to the GitHub Advisory Database • Updated Apr 22, 2024

Package

pip Pillow (pip)

Affected versions

< 8.2.0

Patched versions

8.2.0

Description

An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the block advance was non-zero, potentially leading to an infinite loop on load.

References

Published by the National Vulnerability Database Jun 2, 2021
Reviewed Jun 3, 2021
Published to the GitHub Advisory Database Jun 8, 2021
Last updated Apr 22, 2024

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2021-28676

GHSA ID

GHSA-7r7m-5h27-29hp

Source code

Credits

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