CVE-2023-5330

Denial of Service via Opengraph Data Cache

Published Oct 9, 2023 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Mattermost fails to enforce a limit for the size of the cache entry for OpenGraph data allowing an attacker to send a specially crafted request to the /api/v4/opengraph filling the cache and turning the server unavailable.

Remediation

Vendor Solution

Update Mattermost Server to versions 7.8.11, 8.0.3, 8.1.2 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-57647 Mattermost fails to enforce a limit for the size of the cache entry for OpenGraph data allowing an attacker to send a specially crafted request to the /api/v4/opengraph filling the cache and turning the server unavailable.
References
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Sep 5, 2024, 7:47 PM
Reserved
Oct 2, 2023, 10:48 AM
Status
Modified
Published
Oct 9, 2023, 11:15 AM
Modified
Jun 17, 2026, 6:48 AM