Disclosure summary
pnggroup libpng pnm2png pnm2png.c do_pnm2png heap-based overflow
Source-reported weakness categories
CWE-122
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) · 2026-Mar
Open original source · Updated Sep 24, 2026
pnggroup libpng pnm2png pnm2png.c do_pnm2png heap-based overflow
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 5.3
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 libpng 1.6.55-1 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 libpng 1.6.56-1 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 libpng 1.6.56-1 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 libpng 1.6.57-1 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 libpng 1.6.58-1 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 libpng 1.6.55-1 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 libpng 1.6.56-1 on CBL-Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- Release Notes · product IDs 21422-17084, 21105-21692
- Vendor guidance · product IDs 21422-17084, 21105-21692
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-03-08T21:01:19-04:00
MODIFIED 2026-09-24T21:54:16-04:00
INGESTED 2026-10-08T12:45:09-04:00