SB2025043032 - Prototype pollution in canvg



SB2025043032 - Prototype pollution in canvg

Published: April 30, 2025 Updated: July 31, 2025

Security Bulletin ID SB2025043032
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Prototype pollution (CVE-ID: CVE-2025-25977)

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote attacker can execute arbitrary code via the Constructor of the class StyleElement.


Remediation

Install update from vendor's website.