A heap overflow in Sqreen PyMiniRacer (aka Python Mini Racer) before 0.3.0 allows remote…
Priority MEDIUM 47CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-787 and the CVSS impact.
Summary
A heap overflow in Sqreen PyMiniRacer (aka Python Mini Racer) before 0.3.0 allows remote attackers to potentially exploit heap corruption.
Why it matters now
EPSS 0.0252 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed py-mini-racer (PyPI): 0.3.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | py-mini-racer (PyPI) | before 0.3.0 | 0.3.0 | Patch available | GHSA-vwcg-7xqw-qcxw |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- py-mini-racer (PyPI) Vendor— Affected before 0.3.0 Fixed in 0.3.0 Patch available GHSA-vwcg-7xqw-qcxw
Remediation
- Fix · GHSA-vwcg-7xqw-qcxw py-mini-racer (PyPI) Fixed in 0.3.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-25489
- 2026-10-03 Alias added: GHSA-vwcg-7xqw-qcxw
References
Other 5
- https://github.com/sqreen/PyMiniRacer/security/advisories/GHSA-vwcg-7xqw-qcxw
- https://github.com/sqreen/PyMiniRacer/commit/627b54768293ec277f1adb997c888ec524f4174d
- https://blog.sqreen.com/vulnerability-disclosure-finding-a-vulnerability-in-sqreens-php-agent-and-how-we-fixed-it
- https://github.com/pypa/advisory-database/tree/main/vulns/py-mini-racer/PYSEC-2020-93.yaml
- https://github.com/sqreen/PyMiniRacer
Sources
- CVE-2020-25489 · CVE Program
- CVE-2020-25489 · NVD
- FIRST EPSS
- GHSA-vwcg-7xqw-qcxw · GitHub Advisory Database · CC BY 4.0
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