Pillow is a Python imaging library. From 11.2.1 until 13.0.0, Arrow export assumes that an image's rows are tightly contiguous and exports from im->blocks[0].ptr even when PILLOW_ALIGNMENT makes aligned_linesize include row padding or an aligned offset before the first row. The resulting Arrow buffer can include uninitialized padding, bytes preceding the first row, or stale heap contents from previously freed images. Applications that configure alignment and export images to Arrow can therefore disclose one user's pixels or other process memory to another user. This issue is fixed in version 13.0.0.
References
Configurations
History
30 Oct 2026, 17:17
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/python-pillow/Pillow/security/advisories/GHSA-654x-cwwv-5j9c - Vendor Advisory |
27 Oct 2026, 14:29
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.3 |
| CPE | cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:* | |
| First Time |
Python
Python pillow |
|
| References | () https://github.com/python-pillow/Pillow/commit/19f64946eb247b973dd4560be7dea3bf979d2e6a - Patch | |
| References | () https://github.com/python-pillow/Pillow/pull/10172 - Issue Tracking | |
| References | () https://github.com/python-pillow/Pillow/releases/tag/13.0.0 - Release Notes | |
| References | () https://github.com/python-pillow/Pillow/security/advisories/GHSA-654x-cwwv-5j9c - Vendor Advisory |
21 Oct 2026, 22:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-10-21 22:16
Updated : 2026-10-30 17:17
NVD link : CVE-2026-114501
Mitre link : CVE-2026-114501
CVE.ORG link : CVE-2026-114501
JSON object : View
Products Affected
python
- pillow