CVE-2019-6778

Publication date 25 January 2019

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

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

Status

Package Ubuntu Release Status
qemu-kvm 21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
qemu 21.04 hirsute
Fixed 1:3.1+dfsg-2ubuntu2
20.10 groovy
Fixed 1:3.1+dfsg-2ubuntu2
20.04 LTS focal
Fixed 1:3.1+dfsg-2ubuntu2
19.10 eoan
Fixed 1:3.1+dfsg-2ubuntu2
19.04 disco
Fixed 1:3.1+dfsg-2ubuntu2
18.10 cosmic
Fixed 1:2.12+dfsg-3ubuntu8.6
18.04 LTS bionic
Fixed 1:2.11+dfsg-1ubuntu7.12
16.04 LTS xenial
Fixed 1:2.5+dfsg-5ubuntu10.36
14.04 LTS trusty
Fixed 2.0.0+dfsg-2ubuntu1.45

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
qemu

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references