Mmastodon TechnologyCybersecurity first seen 4 d ago, last 4 d ago, peak #12

New vulnerability disclosed in Python Pillow imaging library

Original: 🚨 EUVD-2026-104638 📊 Score: 6.9/10 (CVSS v3.1) 📦 Product: Pillow 🏢 Vendor: python-pillow 📅 Published: 2026-10-19 | Updat

A new vulnerability, EUVD-2026-104638, has been published affecting Pillow, the widely used Python imaging library maintained by the python-pillow project. Versions from 5.4.0 to 13.0.0 carry a flaw in GIF comment parsing, where quadratic copying can cause excessive processing. The issue is rated 6.9 out of 10 on the CVSS v3.1 scale and was published on 19 October 2026 with an update the following day. Developers running affected versions are being urged to check and upgrade.

Why now: Pillow is used across countless Python projects, so a newly published medium-severity flaw affecting parsing of GIF files is relevant to many maintainers

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Evidence

• 🚨 EUVD-2026-104638 📊 Score: 6.9/10 (CVSS v3.1) 📦 Product: Pillow 🏢 Vendor: python-pillow 📅 Published: 2026-10-19 | Updated: 2026-10-20 📝 Pillow is a Python imaging library. From 5.4.0 until 13.0.0, Pillow performs quadratic copying while parsing GIF comments.… · EUVD_Bot

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