---
id: CVE-2026-112893
title: 'Pillow: Invalid free in FreeType glyph rendering when a stroker is active'
summary: >-
  Pillow is a Python imaging library. From 10.0.0 until 13.0.0, Pillow can free
  an invalid glyph pointer during FreeType rendering with an active stroker. If
  FT_Load_Glyph fails, cleanup may call FT_Done_Glyph on an uninitialized or
  stale …
severity: high
cvss: 8.2
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-457
  - CWE-763
vendor: python-pillow
product: Pillow
affected:
  - 'Pillow >= 10.0.0, < 13.0.0'
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-28T15:12:41.070493Z'
exploitAvailable: true
published: '2026-10-19'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T15:12:48.729Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112893'
references:
  - url: >-
      https://github.com/python-pillow/Pillow/security/advisories/GHSA-j4m9-6w36-pw47
    label: >-
      https://github.com/python-pillow/Pillow/security/advisories/GHSA-j4m9-6w36-pw47
  - url: >-
      https://github.com/python-pillow/Pillow/commit/a7416de7f3a43128179d2cf68df3240ea8dafe13
    label: >-
      https://github.com/python-pillow/Pillow/commit/a7416de7f3a43128179d2cf68df3240ea8dafe13
  - url: 'https://github.com/python-pillow/Pillow/releases/tag/13.0.0'
    label: 'https://github.com/python-pillow/Pillow/releases/tag/13.0.0'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-112893'
  - url: 'https://github.com/python-pillow/Pillow'
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-112893.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-112893'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2555878'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-112893'
  - url: 'https://github.com/advisories/GHSA-j4m9-6w36-pw47'
tags:
  - cve.org
  - exploit-available
  - osv
  - pip
  - csaf
  - vex
  - red-hat
  - ghsa
epss: 0.00549
epssPercentile: 0.45845
aliases:
  - GHSA-j4m9-6w36-pw47
  - BIT-pillow-2026-112893
ecosystem: pip
patched:
  - pillow 13.0.0
scores:
  cna: 8.2
  vendor: 7.5
ingestedAt: '2026-10-19T22:46:42.330Z'
---

## Overview

Pillow is a Python imaging library. From 10.0.0 until 13.0.0, Pillow can free an invalid glyph pointer during FreeType rendering with an active stroker. If FT_Load_Glyph fails, cleanup may call FT_Done_Glyph on an uninitialized or stale glyph variable. An attacker can supply a malformed font as untrusted bytes to an application that draws text with a nonzero stroke width, forcing the glyph-load failure path. This can corrupt memory or crash the process. This issue is fixed in version 13.0.0.

## Affected

- `Pillow >= 10.0.0, < 13.0.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Package advisory (CVE-2026-112893)

Affected packages:

- `pillow >= 10.0.0, < 13.0.0`

Patched in:

- `pillow 13.0.0`

Source: https://osv.dev/vulnerability/GHSA-j4m9-6w36-pw47

## Vendor advisories

- **Red Hat VEX** · Important · affected: Exploit Intelligence, Lightspeed Core, OpenShift Lightspeed, Red Hat AI Inference Server, Red Hat Ansible Automation Platform 2, Red Hat Enterprise Linux 8, … · no fix planned: Exploit Intelligence, Lightspeed Core, OpenShift Lightspeed, Red Hat AI Inference Server, … · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-112893.json)