CVE-2018-18438
UnknownEPSS 0.44%
Last modified
CVE-2018-18438 is a vulnerability of currently unknown severity. Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
Description
Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | All versions |
| Redhat | Enterprise Linux | 6.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Openstack | 8 |
| Redhat | Openstack | 9 |
| Redhat | Openstack | 10 |
| Redhat | Openstack | 12 |
| Redhat | Openstack | 13 |
References
- http://www.openwall.com/lists/oss-security/2018/10/17/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105953Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.htmlMailing List, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.htmlMailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/10/17/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105953Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.htmlMailing List, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.htmlMailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-18438?
Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.
How severe is CVE-2018-18438?
Severity scoring for CVE-2018-18438 is pending analysis. The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2018-18438?
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.
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Are you affected by CVE-2018-18438?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST