Bug 2544409 (CVE-2026-103531) - CVE-2026-103531 opensc: opensc: Arbitrary code execution via stack-based buffer overflow in card-setcos
Summary: CVE-2026-103531 opensc: opensc: Arbitrary code execution via stack-based buff...
Keywords:
Status: NEW
Alias: CVE-2026-103531
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2544446
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-01 01:21 UTC by OSIDB Bzimport
Modified: 2026-10-01 06:46 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2026-10-01 01:21:49 UTC 
A flaw has been found in OpenSC up to 0.27.1. The impacted element is the function setcos_construct_fci_44 of the file src/libopensc/card-setcos.c. Executing a manipulation of the argument type_attr can lead to stack-based buffer overflow. The attack can be launched remotely. This patch is called ad730304052937c32b4eb489a06835ac6123632c. It is best practice to apply a patch to resolve this issue.
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