CVE-2018-18849: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.6% chance of exploitation in the next 30 days.

In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Fedoraproject Fedora: version 29 only
• Opensuse Leap: version 15.0 only; version 42.3 only
• Qemu Qemu: version 3.0.0 only

Published 2019-03-21. Last modified 2026-06-17.