CVE-2026-25990
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
3Description
Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, n out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.
Analysis
Out-of-bounds write in Pillow versions 10.3.0 through 12.1.0 allows remote denial of service when processing maliciously crafted PSD image files. An attacker can trigger a crash by supplying a specially crafted image without authentication or user interaction. …
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Remediation
Within 24 hours: Identify all systems and applications using Pillow versions 10.3.0-12.1.0 and assess exposure to untrusted PSD file uploads. Within 7 days: Apply Pillow security patch to version 12.1.1 or later across all affected systems; prioritize production environments handling user-supplied images. …
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GHSA-cfh3-3jmp-rvhc