What’s Vulnerable › Vulnerabilities

CVE-2019-6778

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-03-21 · updated 2026-06-17
• Weakness: CWE-787

Description

In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
• Fedoraproject Fedora: 29, 30
• openSUSE Leap: 15.0, 42.3
• QEMU: 3.0.0

References

• http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00073.html
• http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00001.html
• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
• http://www.openwall.com/lists/oss-security/2019/01/24/5
• http://www.securityfocus.com/bid/106758
• https://access.redhat.com/errata/RHSA-2019:1883
• https://access.redhat.com/errata/RHSA-2019:1968
• https://access.redhat.com/errata/RHSA-2019:2425
• https://access.redhat.com/errata/RHSA-2019:2892
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/

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