CVE-2026-55497

MediumCVSS 6.5/10Last modified Sep 8, 2026

Description

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the built-in thumbnail and avatar image decoders limit compressed file size but do not limit decoded pixel dimensions, allowing an authenticated user to submit a small PNG, JPEG, or GIF that triggers an unbounded allocation and terminates the Cloudreve process through fatal out-of-memory behavior. This issue is fixed in version 4.17.0.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400 CWE-409 CWE-770

Affected software

No affected versions have been published.

Timeline

Published: Jul 31, 2026
Last modified: Sep 8, 2026
NVD status: Deferred

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