CVE-2023-44271

Name: CVE-2023-44271
Creator: NVD / NIST
Published: 2023-11-03T05:15:30.137+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2023-44271 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in Pillow before 10.0.0. It is a Denial of Service that uncontrollably allocates memory to process a given task, potentially causing a service to crash by having it run out of memory. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

An issue was discovered in Pillow before 10.0.0. It is a Denial of Service that uncontrollably allocates memory to process a given task, potentially causing a service to crash by having it run out of memory. This occurs for truetype in ImageFont when textlength in an ImageDraw instance operates on a long text argument.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.04%

59.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Python	Pillow	< 10.0.0
Fedoraproject	Fedora	38

References

https://devhub.checkmarx.com/cve-details/CVE-2023-44271/Third Party Advisory
https://github.com/python-pillow/Pillow/commit/1fe1bb49c452b0318cad12ea9d97c3bef188e9a7Patch
https://github.com/python-pillow/Pillow/pull/7244Patch
https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N2JOEDUJDQLCUII2LQYZYSM7RJL2I3P4/Mailing List, Third Party Advisory
https://devhub.checkmarx.com/cve-details/CVE-2023-44271/Third Party Advisory
https://github.com/python-pillow/Pillow/commit/1fe1bb49c452b0318cad12ea9d97c3bef188e9a7Patch
https://github.com/python-pillow/Pillow/pull/7244Patch
https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N2JOEDUJDQLCUII2LQYZYSM7RJL2I3P4/Mailing List, Third Party Advisory

Timeline

Published: Nov 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-44271?

How severe is CVE-2023-44271?

CVE-2023-44271 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2023-44271?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-44271?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST