PT-2021-16504 · Pillow+9 · Pillow+9

Published 2021-02-28 · Updated 2024-06-15 · CVE-2021-25292

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions: Pillow versions prior to 8.1.1

Description: The issue allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex in the PDF parser.

Recommendations: For Pillow versions prior to 8.1.1, update to version 8.1.1 or later to resolve the issue. As a temporary workaround, consider restricting the use of the PDF parser to minimize the risk of exploitation.

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-1333

CWE-400

Related Identifiers

ALSA-2021:4149

ALT-PU-2021-1491

BIT-PILLOW-2021-25292

CESA-2021_4149

CVE-2021-25292

GHSA-9HX2-HGQ2-2G4F

OPENSUSE-SU-2021:1134-1

OPENSUSE-SU-2021_1134-1

OPENSUSE-SU-2024:11209-1

OPENSUSE-SU-2024:13827-1

OPENSUSE-SU-2024_1673-1

PYSEC-2021-38

RHSA-2021:4149

RHSA-2021_4149

RLSA-2021:4149

SUSE-SU-2021:1938-1

SUSE-SU-2021:1939-1

SUSE-SU-2024:1673-1

SUSE-SU-2024:1673-2

USN-4763-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Linuxmint

Pillow

Red Hat

Rocky Linux

Suse

Ubuntu

References · 126

• https://osv.dev/vulnerability/DEBIAN-CVE-2021-25292 · Vendor Advisory
• https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-25292 · Security Note
• https://osv.dev/vulnerability/PYSEC-2021-38 · Vendor Advisory
• https://security.gentoo.org/glsa/202107-33 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-25291 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-25292 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2021-25292 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:1938-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4763-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-25292 · Security Note
• https://ubuntu.com/security/notices/USN-4763-1 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-9hx2-hgq2-2g4f · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-25290 · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2021:4149 · Vendor Advisory