UBUNTU-CVE-2026-94286

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Source
https://ubuntu.com/security/CVE-2026-94286
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-94286
Upstream
  • CVE-2026-94286
Downstream
Related
Published
2026-09-28T09:17:00Z
Modified
2026-10-20T16:50:28Z
Severity
  • 7.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.

References

Affected packages

Ubuntu:22.04:LTS
libxtst

Package

Name
libxtst
Purl
pkg:deb/ubuntu/libxtst?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:1.2.3-1ubuntu0.22.04.1

Affected versions

2:1.*
2:1.2.3-1build2
2:1.2.3-1build3
2:1.2.3-1build4

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libxtst6",
            "binary_version":  "2:1.2.3-1ubuntu0.22.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"
Ubuntu:24.04:LTS
libxtst

Package

Name
libxtst
Purl
pkg:deb/ubuntu/libxtst?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:1.2.3-1.1ubuntu0.1

Affected versions

2:1.*
2:1.2.3-1.1
2:1.2.3-1.1build1

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libxtst6",
            "binary_version":  "2:1.2.3-1.1ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"
Ubuntu:26.04:LTS
libxtst

Package

Name
libxtst
Purl
pkg:deb/ubuntu/libxtst?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:1.2.5-1ubuntu0.1

Affected versions

2:1.*
2:1.2.5-1
2:1.2.5-1build1

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libxtst6",
            "binary_version":  "2:1.2.5-1ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"
Ubuntu:26.10
libxtst

Package

Name
libxtst
Purl
pkg:deb/ubuntu/libxtst?arch=source&distro=stonking

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:1.2.5-1ubuntu1

Affected versions

2:1.*
2:1.2.5-1build1

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libxtst6",
            "binary_version":  "2:1.2.5-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"
Ubuntu:Pro:16.04:LTS
libxtst

Package

Name
libxtst
Purl
pkg:deb/ubuntu/libxtst?arch=source&distro=esm-infra-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:1.2.2-1ubuntu0.1~esm1

Affected versions

2:1.*
2:1.2.2-1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libxtst6",
            "binary_version":  "2:1.2.2-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"
Ubuntu:Pro:18.04:LTS
libxtst

Package

Name
libxtst
Purl
pkg:deb/ubuntu/libxtst?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:1.2.3-1ubuntu0.18.04.1~esm1

Affected versions

2:1.*
2:1.2.3-1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libxtst6",
            "binary_version":  "2:1.2.3-1ubuntu0.18.04.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"
Ubuntu:Pro:20.04:LTS
libxtst

Package

Name
libxtst
Purl
pkg:deb/ubuntu/libxtst?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:1.2.3-1ubuntu0.20.04.1~esm1

Affected versions

2:1.*
2:1.2.3-1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libxtst6",
            "binary_version":  "2:1.2.3-1ubuntu0.20.04.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94286.json"