vulnerability

Red Hat: CVE-2021-27921: Excessive memory allocation in BLP image reader (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Mar 3, 2021
Added
Nov 10, 2021
Modified
Jul 9, 2025

Description

Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for a BLP container, and thus an attempted memory allocation can be very large.

Solution(s)

no-fix-redhat-rpm-packageredhat-upgrade-python-pillow-debuginforedhat-upgrade-python-pillow-debugsourceredhat-upgrade-python3-pillowredhat-upgrade-python3-pillow-debuginforedhat-upgrade-python3-pillow-tk-debuginfo
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.