Pillow is a Python imaging library. From 8.2.0 until 13.0.0, Pillow's tiled-TIFF decoder can read past the tile buffer while copying four-byte pixels. In _decodeTile, libtiff can return a tile allocation smaller than the required row stride multiplied by the tile length, and Pillow's stride-and-copy loop walks beyond that allocation. An attacker can supply a crafted tiled TIFF to an application that loads it. This can expose adjacent heap data in pixels or crash the process. This issue is fixed in version 13.0.0.
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Mon, 19 Oct 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Pillow is a Python imaging library. From 8.2.0 until 13.0.0, Pillow's tiled-TIFF decoder can read past the tile buffer while copying four-byte pixels. In _decodeTile, libtiff can return a tile allocation smaller than the required row stride multiplied by the tile length, and Pillow's stride-and-copy loop walks beyond that allocation. An attacker can supply a crafted tiled TIFF to an application that loads it. This can expose adjacent heap data in pixels or crash the process. This issue is fixed in version 13.0.0. | |
| Title | Pillow tiled-TIFF decoder reads past tile buffer in copy4 (Unpack.c:1290) | |
| Weaknesses | CWE-122 | |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-10-19T20:59:15.098Z
Reserved: 2026-10-19T16:58:51.959Z
Link: CVE-2026-112395
Vulnrichment
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NVD
Status : Received
Published: 2026-10-19T21:17:07.880
Modified: 2026-10-19T21:17:07.880
Link: CVE-2026-112395
Redhat
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OpenCVE Enrichment
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Weaknesses