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CVE-2021-25292

python-pillow: Regular expression DoS in PDF format parser

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · February 28, 2021

Updated · June 28, 2026

Description

A flaw was found in python-pillow. The PDF parser has a catastrophic backtracking regex that could be used as a DOS attack.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Disable the invoice generation feature to mitigate this vulnerability in Red Hat Quay.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-20 · Improper Input Validation