Integer overflow in Qemu
CVE-2018-18438
Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.
Vulnerability class: Integer Overflow
EPSS: 0.004 (36.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Qemu
- Redhat Enterprise_linux — versions 6.0, 7.0
- Redhat Openstack — versions 8, 9, 10
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-18438?
- CVE-2018-18438 is a medium-severity vulnerability in Qemu, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2018-10-19.
- How severe is CVE-2018-18438?
- Medium severity. CVSS v3 base score is 5.5 out of 10.