What’s Vulnerable › Vulnerabilities

CVE-2018-18438

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-19 · updated 2026-06-17
• Weakness: CWE-190

Description

Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.

Affected products

• QEMU: all versions
• Red Hat Enterprise Linux: 6.0, 7.0
• OpenStack: 8, 9, 10, 12, 13

References

• http://www.openwall.com/lists/oss-security/2018/10/17/3
• http://www.securityfocus.com/bid/105953
• https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.html
• https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.html
• http://www.openwall.com/lists/oss-security/2018/10/17/3
• http://www.securityfocus.com/bid/105953
• https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02396.html
• https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg02402.html

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