USN-4966-1

See a problem?

Source

https://ubuntu.com/security/notices/USN-4966-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4966-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-4966-1

Related

Published

2021-05-25T17:00:37.860402Z

Modified

2021-05-25T17:00:37.860402Z

Summary

libx11 vulnerability

Details

It was discovered that libx11 incorrectly validated certain parameter lengths. A remote attacker could possibly use this issue to trick libx11 into emitting extra X protocol requests.

References

Affected packages

Ubuntu:18.04:LTS / libx11

Package

Name: libx11
Purl: pkg:deb/ubuntu/libx11@2:1.6.4-3ubuntu0.4?arch=src?distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:1.6.4-3ubuntu0.4

Affected versions

2:1.*

2:1.6.4-3

2:1.6.4-3ubuntu0.1

2:1.6.4-3ubuntu0.2

2:1.6.4-3ubuntu0.3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "libx11-6-udeb": "2:1.6.4-3ubuntu0.4",
            "libx11-6-dbgsym": "2:1.6.4-3ubuntu0.4",
            "libx11-dev": "2:1.6.4-3ubuntu0.4",
            "libx11-xcb1-dbgsym": "2:1.6.4-3ubuntu0.4",
            "libx11-6": "2:1.6.4-3ubuntu0.4",
            "libx11-xcb-dev": "2:1.6.4-3ubuntu0.4",
            "libx11-xcb1": "2:1.6.4-3ubuntu0.4",
            "libx11-doc": "2:1.6.4-3ubuntu0.4",
            "libx11-data": "2:1.6.4-3ubuntu0.4"
        }
    ]
}

Ubuntu:20.04:LTS / libx11

Package

Name: libx11
Purl: pkg:deb/ubuntu/libx11@2:1.6.9-2ubuntu1.2?arch=src?distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:1.6.9-2ubuntu1.2

Affected versions

2:1.*

2:1.6.8-1

2:1.6.9-2

2:1.6.9-2ubuntu1

2:1.6.9-2ubuntu1.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "libx11-6-udeb": "2:1.6.9-2ubuntu1.2",
            "libx11-6-dbgsym": "2:1.6.9-2ubuntu1.2",
            "libx11-dev": "2:1.6.9-2ubuntu1.2",
            "libx11-xcb1-dbgsym": "2:1.6.9-2ubuntu1.2",
            "libx11-6": "2:1.6.9-2ubuntu1.2",
            "libx11-xcb-dev": "2:1.6.9-2ubuntu1.2",
            "libx11-xcb1": "2:1.6.9-2ubuntu1.2",
            "libx11-doc": "2:1.6.9-2ubuntu1.2",
            "libx11-data": "2:1.6.9-2ubuntu1.2"
        }
    ]
}