Double Free Affecting temporal-ui-server package, versions <2.49.1-r1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

Social Trends
EPSS
0.81% (53rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-MINIMOSLATEST-TEMPORALUISERVER-16676761
  • published14 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-33811  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Minimos:latest temporal-ui-server to version 2.49.1-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream temporal-ui-server package and not the temporal-ui-server package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.

CVSS Base Scores

version 3.1