Out-of-Bounds Affecting opensc package, versions *


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.19% (9th percentile)

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  • Snyk IDSNYK-ECHOLATEST-OPENSC-20360811
  • published1 Oct 2026
  • disclosed1 Oct 2026

Introduced: 1 Oct 2026

NewCVE-2026-103531  (opens in a new tab)
CWE-119  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest opensc.

NVD Description

Note: Versions mentioned in the description apply only to the upstream opensc package and not the opensc package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1