Is CVE-2018-17958 being actively exploited?

CVE-2018-17958 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2018-17958?

CVE-2018-17958 has a CVSS 3.1 base score of 7.5 (HIGH).

CVE-2018-17958

HIGH · CVSS 7.5EPSS 6.3%EU EUVD

Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.

Key facts

CVSS score: 7.5 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-190
EPSS score: 6.3% (94th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2018-9699)
Published: October 9, 2018
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2018-9699 in the EU Vulnerability Database. Last updated in EUVD on April 28, 2026.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
qemu / qemu
redhat / enterprise linux
redhat / virtualization
redhat / virtualization manager

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Virtualization v4.3 - Red Hat, Inc. - Common Criteria OCSI/CERT/ATS/08/2020/RC - active

References

http://www.openwall.com/lists/oss-security/2018/10/08/1(Mailing List, Third Party Advisory)
http://www.securityfocus.com/bid/105556(Third Party Advisory, VDB Entry)
https://access.redhat.com/errata/RHSA-2019:2425(Third Party Advisory)
https://access.redhat.com/errata/RHSA-2019:2553(Third Party Advisory)
https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html(Mailing List, Third Party Advisory)
https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03269.html(Mailing List, Patch, Third Party Advisory)
https://seclists.org/bugtraq/2019/May/76(Mailing List, Third Party Advisory)
https://usn.ubuntu.com/3826-1/(Third Party Advisory)
https://www.debian.org/security/2019/dsa-4454(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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