---
title: "Pillow — CVE-2026-96639"
description: "A denial of service flaw affects the PyPI package Pillow. Affected versions: >= 11.0.0, < 13.0.0. Fixed from version 13.0.0. CVSS score 9.8."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-22-cve-2026-96639
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-22
dateModified: 2026-10-22
---
# Pillow — CVE-2026-96639

A denial of service flaw affects the PyPI package Pillow. Affected versions: >= 11.0.0, < 13.0.0. Fixed from version 13.0.0. CVSS score 9.8.

## What to do

Update Pillow to 13.0.0 or later.

| Fact | Value |
| --- | --- |
| Package | Pillow |
| Ecosystem | PyPI (Python) |
| Class | Denial of service |
| Affected versions | >= 11.0.0, < 13.0.0 |
| Fixed version | 13.0.0 |
| CVSS | 9.8 |
| CVE | CVE-2026-96639 |
| GHSA | GHSA-v9pv-5gc8-w2m6 |
| Published on | October 22, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-v9pv-5gc8-w2m6](https://github.com/advisories/GHSA-v9pv-5gc8-w2m6) — GitHub Security Advisories
- [NVD — CVE-2026-96639](https://nvd.nist.gov/vuln/detail/CVE-2026-96639) — NVD

---

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