CVE-2011-4111

What it is

Buffer overflow in the ccid_card_vscard_handle_message function in hw/ccid-card-passthru.c in QEMU before 0.15.2 and 1.x before 1.0-rc4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VSC_ATR message.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

2.3% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2014-02-26 15:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:34 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.3% in the next 30 days (EPSS).
• Severity: 6.8 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2014-02-26 15:55 UTC

Last modified

2026-06-16 23:34 UTC

Exploit probability

2.3% · EPSS, next 30 days

Weakness

CWE-119 · Buffer errors

Record status

Modified

Affected

• Redhat Enterprise Linux 6.0
• Redhat Enterprise Linux Server Supplementary 6.1.z
• Qemu ≤ 0.15.1
• Qemu 0.15.0
• Qemu 1.0

Attack profile CVSS 2.0 · 6.8

Attack vector

Adjacent network

Complexity

High

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

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-2011-4111.md and follow it. Check whether this project is affected by CVE-2011-4111. 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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