UBUNTU-CVE-2023-43785

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Source
https://ubuntu.com/security/CVE-2023-43785
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-43785.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-43785
Upstream
Downstream
Related
Published
2023-10-03T00:00:00Z
Modified
2025-09-08T16:56:31Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libx11

Package

Name
libx11
Purl
pkg:deb/ubuntu/libx11@2:1.6.2-1ubuntu2.1+esm5?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.6.2-1ubuntu2.1+esm5

Affected versions

2:1.*

2:1.6.1-1ubuntu1
2:1.6.1-1ubuntu2
2:1.6.2-1ubuntu1
2:1.6.2-1ubuntu2
2:1.6.2-1ubuntu2.1
2:1.6.2-1ubuntu2.1+esm1
2:1.6.2-1ubuntu2.1+esm2
2:1.6.2-1ubuntu2.1+esm3
2:1.6.2-1ubuntu2.1+esm4

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libx11-6",
            "binary_version": "2:1.6.2-1ubuntu2.1+esm5"
        },
        {
            "binary_name": "libx11-data",
            "binary_version": "2:1.6.2-1ubuntu2.1+esm5"
        },
        {
            "binary_name": "libx11-dev",
            "binary_version": "2:1.6.2-1ubuntu2.1+esm5"
        },
        {
            "binary_name": "libx11-xcb-dev",
            "binary_version": "2:1.6.2-1ubuntu2.1+esm5"
        },
        {
            "binary_name": "libx11-xcb1",
            "binary_version": "2:1.6.2-1ubuntu2.1+esm5"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / libx11

Package

Name
libx11
Purl
pkg:deb/ubuntu/libx11@2:1.6.3-1ubuntu2.2+esm4?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.6.3-1ubuntu2.2+esm4

Affected versions

2:1.*

2:1.6.3-1ubuntu2
2:1.6.3-1ubuntu2.1
2:1.6.3-1ubuntu2.2
2:1.6.3-1ubuntu2.2+esm1
2:1.6.3-1ubuntu2.2+esm2
2:1.6.3-1ubuntu2.2+esm3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libx11-6",
            "binary_version": "2:1.6.3-1ubuntu2.2+esm4"
        },
        {
            "binary_name": "libx11-data",
            "binary_version": "2:1.6.3-1ubuntu2.2+esm4"
        },
        {
            "binary_name": "libx11-dev",
            "binary_version": "2:1.6.3-1ubuntu2.2+esm4"
        },
        {
            "binary_name": "libx11-xcb-dev",
            "binary_version": "2:1.6.3-1ubuntu2.2+esm4"
        },
        {
            "binary_name": "libx11-xcb1",
            "binary_version": "2:1.6.3-1ubuntu2.2+esm4"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / libx11

Package

Name
libx11
Purl
pkg:deb/ubuntu/libx11@2:1.6.4-3ubuntu0.4+esm2?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.6.4-3ubuntu0.4+esm2

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
2:1.6.4-3ubuntu0.4
2:1.6.4-3ubuntu0.4+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libx11-6",
            "binary_version": "2:1.6.4-3ubuntu0.4+esm2"
        },
        {
            "binary_name": "libx11-data",
            "binary_version": "2:1.6.4-3ubuntu0.4+esm2"
        },
        {
            "binary_name": "libx11-dev",
            "binary_version": "2:1.6.4-3ubuntu0.4+esm2"
        },
        {
            "binary_name": "libx11-xcb-dev",
            "binary_version": "2:1.6.4-3ubuntu0.4+esm2"
        },
        {
            "binary_name": "libx11-xcb1",
            "binary_version": "2:1.6.4-3ubuntu0.4+esm2"
        }
    ]
}

Ubuntu:20.04:LTS / libx11

Package

Name
libx11
Purl
pkg:deb/ubuntu/libx11@2:1.6.9-2ubuntu1.6?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.6.9-2ubuntu1.6

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
2:1.6.9-2ubuntu1.2
2:1.6.9-2ubuntu1.5

Ecosystem specific 

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

Ubuntu:22.04:LTS / libx11

Package

Name
libx11
Purl
pkg:deb/ubuntu/libx11@2:1.7.5-1ubuntu0.3?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.7.5-1ubuntu0.3

Affected versions

2:1.*

2:1.7.2-1
2:1.7.2-2
2:1.7.2-2build1
2:1.7.5-1
2:1.7.5-1ubuntu0.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libx11-6",
            "binary_version": "2:1.7.5-1ubuntu0.3"
        },
        {
            "binary_name": "libx11-data",
            "binary_version": "2:1.7.5-1ubuntu0.3"
        },
        {
            "binary_name": "libx11-dev",
            "binary_version": "2:1.7.5-1ubuntu0.3"
        },
        {
            "binary_name": "libx11-xcb-dev",
            "binary_version": "2:1.7.5-1ubuntu0.3"
        },
        {
            "binary_name": "libx11-xcb1",
            "binary_version": "2:1.7.5-1ubuntu0.3"
        }
    ]
}