CVE-2025-25977 Affecting znuny package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.71% (53rd percentile)

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  • Snyk IDSNYK-ECHOLATEST-ZNUNY-19165968
  • published22 Aug 2026
  • disclosed10 Mar 2025

Introduced: 10 Mar 2025

CVE-2025-25977  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest znuny.

NVD Description

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

An issue in canvg v.4.0.2 allows an attacker to execute arbitrary code via the Constructor of the class StyleElement.