Allocation of Resources Without Limits or Throttling Affecting mattermost-11.1 package, versions <11.1.3-r2


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.37% (29th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-MATTERMOST111-16635373
  • published11 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-39820  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Chainguard mattermost-11.1 to version 11.1.3-r2 or higher.

NVD Description

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

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.

CVSS Base Scores

version 3.1