CVE-2018-16426

4.3 MEDIUM 0.6% exploit odds Fix listed

What it is

Endless recursion when handling responses from an IAS-ECC card in iasecc_select_file in libopensc/card-iasecc.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to hang or crash the opensc library using programs.

At a glance

Exploitability: Can be exploited with physical access with a low-privilege account. High risk of service disruption.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2018-09-04 00:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:44 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.6% in the next 30 days (EPSS).
Severity: 4.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2018-09-04 00:29 UTC
Last modified: 2026-06-17 01:44 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-674
Record status: Modified

Affected

Opensc Project Opensc ≤ 0.18.0

Attack profile CVSS 3.0 · 4.3

Attack vector: Physical
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-16426.md and follow it. Check whether this project is affected by CVE-2018-16426. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record