Unrestricted Upload of File with Dangerous Type Affecting mattermost-fips-11.1 package, versions <11.1.3-r6


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.33% (25th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-MATTERMOSTFIPS111-17291669
  • published11 Jun 2026
  • disclosed25 Mar 2026

Introduced: 25 Mar 2026

CVE-2026-33809  (opens in a new tab)
CWE-434  (opens in a new tab)

How to fix?

Upgrade Chainguard mattermost-fips-11.1 to version 11.1.3-r6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mattermost-fips-11.1 package and not the mattermost-fips-11.1 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

A maliciously crafted TIFF file can cause image decoding to attempt to allocate up 4GiB of memory, causing either excessive resource consumption or an out-of-memory error.

CVSS Base Scores

version 3.1