Disclosure summary
Tarfile infinite loop during parsing with negative member offset
Source-reported weakness categories
CWE-835
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2025-Jul
Open original source · Updated Feb 20, 2026
Tarfile infinite loop during parsing with negative member offset
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.5
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 python3 3.9.19-14 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 python3 3.12.9-4 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 python3 3.9.19-14 on CBL Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 3.12.9-4 · product IDs 19968-17084
- Vendor guidance · product IDs 19968-17084
- CBL-Mariner Releases · build 3.9.19-15 · product IDs 19533-17086
- Vendor guidance · product IDs 19533-17086
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-09-03T22:31:30-04:00
MODIFIED 2026-02-20T23:18:39-05:00
INGESTED 2026-10-08T12:45:47-04:00