Skip to content
CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2023-40703

Denial of Service via specially crafted block fields in Mattermost Boards

Description

Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string. 

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

  • 0 to ≤ 7.8.12affected
  • 0 to ≤ 8.1.3affected
  • 0 to ≤ 9.0.1affected
  • 0 to ≤ 9.1.0affected
  • 9.1.1unaffected
  • 9.0.2unaffected
  • 7.8.13unaffected
  • 8.1.4unaffected

References