CVE-2018-18849

Name: CVE-2018-18849
Creator: NVD / NIST
Published: 2019-03-21T16:00:29.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.57%

Last modified Jun 17, 2026

CVE-2018-18849 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

0.57%

42.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Qemu	Qemu	3.0.0
Opensuse	Leap	15.0
Opensuse	Leap	42.3
Fedoraproject	Fedora	29
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10

References

http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00004.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00043.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2018/11/01/1Mailing List, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00010.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LQIBTGNRDQEXGAAYHE4JIWFAYFNHZ6QP/
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg06401.htmlPatch, Third Party Advisory
https://seclists.org/bugtraq/2019/May/76
https://security.netapp.com/advisory/ntap-20190411-0006/Third Party Advisory
https://usn.ubuntu.com/3826-1/Third Party Advisory
https://www.debian.org/security/2019/dsa-4454
http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00004.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00028.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00043.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2018/11/01/1Mailing List, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00010.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LQIBTGNRDQEXGAAYHE4JIWFAYFNHZ6QP/
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg06401.htmlPatch, Third Party Advisory
https://seclists.org/bugtraq/2019/May/76
https://security.netapp.com/advisory/ntap-20190411-0006/Third Party Advisory
https://usn.ubuntu.com/3826-1/Third Party Advisory
https://www.debian.org/security/2019/dsa-4454

Timeline

Published: Mar 21, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-18849?

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.

How severe is CVE-2018-18849?

Severity scoring for CVE-2018-18849 is pending analysis. The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2018-18849?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-18849?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST