PT-2026-117658 · Python Pillow · Pillow

CVE-2026-112400

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Published

2026-10-19

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Updated

2026-10-19

CVSS v4.0

8.7

High

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Pillow is a Python imaging library. From 9.2.0 until 13.0.0, Pillow can retain a rejected GIF frame size after a decompression-bomb exception. In GifImageFile. seek, a crafted GIF can leave rejected dimensions stored after Image.DecompressionBombError; if an application catches that exception and continues processing the same image object, later seek or load operations allocate according to those dimensions and can exhaust memory, denying service. This issue is fixed in version 13.0.0.

Fix

Resource Exhaustion

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

CVE-2026-112400

Affected Products

Pillow