CVE-2018-17958
HIGHCVSS 7.5/10EPSS 6.17%
Last modified
CVE-2018-17958 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.. EPSS estimates a 6.17% chance of exploitation in the next 30 days.
Description
Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 3.0.1 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Redhat | Virtualization | 4.0 |
| Redhat | Virtualization Manager | 4.3 |
References
- http://www.openwall.com/lists/oss-security/2018/10/08/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105556Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2425Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2553Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00023.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03269.htmlMailing List, Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/76Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/10/08/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105556Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2425Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2553Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00023.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03269.htmlMailing List, Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/76Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-17958?
Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.
How severe is CVE-2018-17958?
CVE-2018-17958 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 6.17% probability of exploitation in the next 30 days.
How do I fix CVE-2018-17958?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-17958?
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