CVE-2026-77467

Lychee is a free, open-source photo-management tool. Prior to 7.7.0, Lychee enables ImageMagick PDF support with Ghostscript but does not apply an effective pre-render limit to PDF page dimensions in ImagickHandler::loadPdf(). An authenticated user who can upload a small PDF with an oversized /MediaBox can cause Imagick::readImage() to consume substantial CPU before failing to produce an image. When QUEUE_CONNECTION selects synchronous processing the request can occupy a web worker, while the official asynchronous Docker configuration can clog the shared image-processing queue and delay other work. The advisory did not identify a Ghostscript sandbox escape. This issue is fixed in version 7.7.0.

CVSS

No CVSS.

References

Link	Resource
https://github.com/LycheeOrg/Lychee/commit/1e92846af4c2d259a225cf4517de17efba04f945
https://github.com/LycheeOrg/Lychee/pull/4511
https://github.com/LycheeOrg/Lychee/releases/tag/v7.7.0
https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-6736-fhxv-3p79
https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-6736-fhxv-3p79

Configurations

No configuration.

History

20 Oct 2026, 03:17

Type	Values Removed	Values Added
References	~~() https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-6736-fhxv-3p79 -~~	() https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-6736-fhxv-3p79 -

15 Oct 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-15 17:17

Updated : 2026-10-20 03:17

NVD link : CVE-2026-77467

Mitre link : CVE-2026-77467

CVE.ORG link : CVE-2026-77467

JSON object : View

Products Affected

No product.

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-770

Allocation of Resources Without Limits or Throttling

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