CVE Watch19 oct 2026

CVE-2026-112399

Pillow is a Python imaging library. From 8.1.0 until 13.0.0, Pillow can allocate an APNG disposal background at the full canvas size before

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

0-100

Publicado: 19 oct 2026 · Última mod.: 19 oct 2026 · CWE-789

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Pillow is a Python imaging library. From 8.1.0 until 13.0.0, Pillow can allocate an APNG disposal background at the full canvas size before applying the decompression-bomb check. A crafted APNG with a small first frame, a very large declared canvas, and background disposal or first-frame OP_PREVIOUS reaches PngImageFile._seek while Image.open() positions frame zero. The full-canvas allocation occurs inside Image.open() without requiring pixel loading or frame iteration. This can exhaust memory and deny service. This issue is fixed in version 13.0.0.

Referencias oficiales

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