MEDIUM 5.7 Microsoft

CVE-2025-13763

Libopensc: opensc: multiple uses of uninitialized variable

Microsoft Security Update 2026-Apr: Libopensc: opensc: multiple uses of uninitialized variable

Affected Products

azl3 opensc 0.26.1-1 on Azure Linux 3.0
cbl2 opensc 0.23.0-5 on CBL Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-13763
https://nvd.nist.gov/vuln/detail/CVE-2025-13763

Published: 2026-04-14 · Source: Microsoft · Feed updated: 2026-08-04

This medium severity vulnerability with a CVSS score of 5.7 was published on 2026-04-14 via Microsoft. Affected: azl3 opensc 0.26.1-1 on Azure Linux 3.0, cbl2 opensc 0.23.0-5 on CBL Mariner 2.0.

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