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Fencer Intel
medium 6.8

CVE-2011-4111 json

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 all…

published 2014-02-26 12 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4059

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

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.

Patch / fix

  • xen Debian 14, Debian 13, Debian 12 4.4.0-1
  • qemu Debian 14, Debian 13, Debian 12 0.15.1+dfsg-2

debian advisories DEBIAN-CVE-2011-4111

  • qemu-kvm RHEL 6 2:0.12.1.2-2.160.el6_1.9
  • qemu-img RHEL 6 2:0.12.1.2-2.160.el6_1.9
  • qemu-kvm-tools RHEL 6 2:0.12.1.2-2.160.el6_1.9
  • qemu-kvm RHEL 6 2:0.12.1.2-2.209.el6_2.1
  • qemu-img RHEL 6 2:0.12.1.2-2.209.el6_2.1
  • qemu-kvm-tools RHEL 6 2:0.12.1.2-2.209.el6_2.1

red hat advisories RHSA-2011:1801RHSA-2011:1777

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-4111 updated cvss 6.8

qemu: ccid: buffer overflow in handling of VSC_ATR message

  • Red Hat Enterprise Linux Desktop (v. 6) qemu-img 0.12.1.2-2.209.el6_2.1, qemu-kvm 0.12.1.2-2.209.el6_2.1, qemu-kvm-tools 0.12.1.2-2.209.el6_2.1 Red Hat Enterprise Linux HPC Node (v. 6) qemu-img 0.12.1.2-2.209.el6_2.1, qemu-kvm 0.12.1.2-2.209.el6_2.1, qemu-kvm-tools 0.12.1.2-2.209.el6_2.1 Red Hat Enterprise Linux Server (v. 6) qemu-img 0.12.1.2-2.160.el6_1.9, qemu-img 0.12.1.2-2.209.el6_2.1, qemu-kvm 0.12.1.2-2.160.el6_1.9, qemu-kvm 0.12.1.2-2.209.el6_2.1, qemu-kvm-tools 0.12.1.2-2.160.el6_1.9, qemu-kvm-tools 0.12.1.2-2.209.el6_2.1 Red Hat Enterprise Linux Workstation (v. 6) qemu-img 0.12.1.2-2.209.el6_2.1, qemu-kvm 0.12.1.2-2.209.el6_2.1, qemu-kvm-tools 0.12.1.2-2.209.el6_2.1
    fixed: vendor fix RHSA-2011:1777

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.26% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:A/AC:H/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.