MEDIUM 6.8 Microsoft
CVE-2026-22801
LIBPNG has an integer truncation causing heap buffer over-read in png_image_write_*
Microsoft Security Update 2026-Jan: LIBPNG has an integer truncation causing heap buffer over-read in png_image_write_*
Affected Products
- azl3 libpng 1.6.52-1 on Azure Linux 3.0
- cbl2 libpng 1.6.52-1 on CBL Mariner 2.0
- cbl2 qt5-qtbase 5.12.11-19 on CBL Mariner 2.0
- cbl2 tensorflow 2.11.1-2 on CBL Mariner 2.0
- azl3 qtbase 6.6.3-4 on Azure Linux 3.0
- azl3 tensorflow 2.16.1-9 on Azure Linux 3.0
- azl3 tensorflow 2.16.1-10 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-22801
- https://nvd.nist.gov/vuln/detail/CVE-2026-22801
This medium severity vulnerability with a CVSS score of 6.8 was published on 2026-01-13 via Microsoft. Affected: azl3 libpng 1.6.52-1 on Azure Linux 3.0, cbl2 libpng 1.6.52-1 on CBL Mariner 2.0, cbl2 qt5-qtbase 5.12.11-19 on CBL Mariner 2.0 and 4 more.
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