Medium severity6.5NVD Advisory· Published Jul 31, 2026· Updated Sep 8, 2026
CVE-2026-55497
CVE-2026-55497
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/cloudreve/Cloudreve/v4Go | < 4.0.0-20260613024411-3607f79bb44c | 4.0.0-20260613024411-3607f79bb44c |
github.com/cloudreve/Cloudreve/v3Go | <= 3.0.0-20250225100611-da4e44b77af4 | — |
Affected products
2- osv-coordsRange: < 0.0.20260827T195228-160000.1.1
Patches
Vulnerability mechanics
References
4News mentions
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