UBUNTU-CVE-2020-11653

An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.

References

Affected packages

Ubuntu:20.04:LTS / varnish

Package

Name: varnish
Purl: pkg:deb/ubuntu/varnish@6.2.1-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

6.2.1-2ubuntu0.1

Affected versions

6.*

6.1.1-1

6.2.1-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "6.2.1-2ubuntu0.1",
            "binary_name": "libvarnishapi-dev"
        },
        {
            "binary_version": "6.2.1-2ubuntu0.1",
            "binary_name": "libvarnishapi2"
        },
        {
            "binary_version": "6.2.1-2ubuntu0.1",
            "binary_name": "libvarnishapi2-dbgsym"
        },
        {
            "binary_version": "6.2.1-2ubuntu0.1",
            "binary_name": "varnish"
        },
        {
            "binary_version": "6.2.1-2ubuntu0.1",
            "binary_name": "varnish-dbgsym"
        },
        {
            "binary_version": "6.2.1-2ubuntu0.1",
            "binary_name": "varnish-doc"
        }
    ],
    "availability": "No subscription required"
}