UpHeron
All vulnerabilities

Servers and applications

CVE-2023-3593

Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.

Severity
Medium 6.5
Published
17 Jul 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.8.7, 7.9.5, 7.10.3
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 7.8.0 before 7.8.7
  • From 7.9.0 before 7.9.5
  • From 7.10.0 before 7.10.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-3593
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-3593