UpHeron
All vulnerabilities

Servers and applications

CVE-2022-1337

The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.

Severity
Medium 6.5
Published
13 Apr 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.37.9, 6.2.5, 6.3.5, 6.4.2
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 5.37.0 before 5.37.9
  • From 6.2.0 before 6.2.5
  • From 6.3.0 before 6.3.5
  • From 6.4.0 before 6.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-1337
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-1337