Denial of Service Vulnerability in Pillow by Python
CVE-2021-28676

7.5HIGH

Key Information:

Vendor

Python

Status
Pillow
Vendor
CVE Published:
2 June 2021

What is CVE-2021-28676?

A vulnerability has been identified in the Pillow library prior to version 8.2.0, where the FliDecode function inadequately checks whether the block advance is zero. This oversight can potentially result in an infinite loop when loading FLI data, impacting application stability. It is recommended for users of Pillow to upgrade to the latest version to mitigate this risk.

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References

https://pillow.readthedocs.io/en/stable/releasenotes/8.2....
https://github.com/python-pillow/Pillow/pull/5377
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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