What’s Vulnerable › Vulnerabilities

CVE-2019-3812

• 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: 2019-02-19 · updated 2026-06-17
• Weakness: CWE-119

Description

QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host.

Affected products

• Canonical Ubuntu Linux: 18.04, 18.10
• Fedoraproject Fedora: 29, 30
• openSUSE Leap: 42.3
• QEMU: from 2.10.0 through 3.1.0

References

• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00094.html
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00040.html
• http://www.securityfocus.com/bid/107059
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3812
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/
• https://seclists.org/bugtraq/2019/May/76
• https://usn.ubuntu.com/3923-1/
• https://www.debian.org/security/2019/dsa-4454
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00094.html
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00040.html
• http://www.securityfocus.com/bid/107059

Get alerted when CVE-2019-3812 or the next vulnerability affects your stack