UpHeron
All vulnerabilities

Servers and applications

CVE-2022-0903

A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted POST body.

Severity
High 7.5
Published
10 Mar 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.37.8, 6.1.3, 6.2.3, 6.3.3
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version before 5.37.8
  • From 6.0.0 before 6.1.3
  • From 6.2.0 before 6.2.3
  • From 6.3.0 before 6.3.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-0903
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-0903