What’s Vulnerable › Vulnerabilities

CVE-2020-25489

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-17 · updated 2026-06-17
• Weakness: CWE-787

Description

A heap overflow in Sqreen PyMiniRacer (aka Python Mini Racer) before 0.3.0 allows remote attackers to potentially exploit heap corruption.

Affected products

• Sqreen Python Mini Racer: before 0.3.0 — fixed in 0.3.0

How to fix

Upgrade to a fixed version: Sqreen Python Mini Racer 0.3.0. Check the vendor advisory for mitigations.

References

• https://blog.sqreen.com/vulnerability-disclosure-finding-a-vulnerability-in-sqreens-php-agent-and-how-we-fixed-it/
• https://github.com/sqreen/PyMiniRacer/compare/v0.2.0...v0.3.0
• https://blog.sqreen.com/vulnerability-disclosure-finding-a-vulnerability-in-sqreens-php-agent-and-how-we-fixed-it/
• https://github.com/sqreen/PyMiniRacer/compare/v0.2.0...v0.3.0

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