CRITICAL 9.4 Microsoft
CVE-2025-4517
Arbitrary writes via tarfile realpath overflow
Microsoft Security Update 2025-Jun: Arbitrary writes via tarfile realpath overflow
Affected Products
- cbl2 python3 3.9.19-14 on CBL Mariner 2.0
- azl3 python3 3.12.9-2 on Azure Linux 3.0
- cbl2 python3 3.9.19-13 on CBL Mariner 2.0
- cbl2 python3 3.9.19-13 on CBL-Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-4517
- https://nvd.nist.gov/vuln/detail/CVE-2025-4517
This critical severity vulnerability with a CVSS score of 9.4 was published on 2025-06-10 via Microsoft. Affected: cbl2 python3 3.9.19-14 on CBL Mariner 2.0, azl3 python3 3.12.9-2 on Azure Linux 3.0, cbl2 python3 3.9.19-13 on CBL Mariner 2.0 and 1 more.
Risk Timeline
CVE Disclosed2025-06-10 · 477 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2025-4517NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2025-4517Related Vulnerabilities
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