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CVE PROGRAM SOURCE RECORD3.1 Low

CVE-2025-14822

DoS from quadratic complexity in model.ParseHashtags

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Status
Published
Published
Updated
Assigning organization
Mattermost

Description

Mattermost versions 10.11.x <= 10.11.8 fail to validate input size before processing hashtags which allows an authenticated attacker to exhaust CPU resources via a single HTTP request containing a post with thousands space-separated tokens

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mattermost Mattermost

Default version status: unaffected

  • 10.11.0 to ≤ 10.11.8affected
  • 11.2.0unaffected
  • 10.11.9unaffected

References