UBUNTU-CVE-2026-24683

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Source
https://ubuntu.com/security/CVE-2026-24683
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-24683.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-24683
Upstream
Downstream
Related
Published
2026-02-09T19:15:00Z
Modified
2026-02-17T21:29:14.562957Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

FreeRDP is a free implementation of the Remote Desktop Protocol. ainputsendinputevent caches channelcallback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, This vulnerability is fixed in 3.22.0.

References

Affected packages

Ubuntu:Pro:20.04:LTS / freerdp2

Package

Name
freerdp2
Purl
pkg:deb/ubuntu/freerdp2@2.6.1+dfsg1-0ubuntu0.20.04.2+esm3?arch=source&distro=esm-infra/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.6.1+dfsg1-0ubuntu0.20.04.2+esm3

Affected versions

2.*
2.0.0~git20190204.1.2693389a+dfsg1-1
2.0.0~git20190204.1.2693389a+dfsg1-2
2.0.0~git20190204.1.2693389a+dfsg1-2build1
2.0.0~git20190204.1.2693389a+dfsg1-2build2
2.1.1+dfsg1-0ubuntu0.20.04.1
2.2.0+dfsg1-0ubuntu0.20.04.1
2.2.0+dfsg1-0ubuntu0.20.04.2
2.2.0+dfsg1-0ubuntu0.20.04.3
2.2.0+dfsg1-0ubuntu0.20.04.4
2.2.0+dfsg1-0ubuntu0.20.04.5
2.2.0+dfsg1-0ubuntu0.20.04.6
2.6.1+dfsg1-0ubuntu0.20.04.1
2.6.1+dfsg1-0ubuntu0.20.04.2
2.6.1+dfsg1-0ubuntu0.20.04.2+esm1
2.6.1+dfsg1-0ubuntu0.20.04.2+esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "freerdp2-dev"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "freerdp2-shadow-x11"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "freerdp2-wayland"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "freerdp2-x11"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libfreerdp-client2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libfreerdp-server2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libfreerdp-shadow-subsystem2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libfreerdp-shadow2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libfreerdp2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libuwac0-0"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libuwac0-dev"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libwinpr-tools2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libwinpr2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "libwinpr2-dev"
        },
        {
            "binary_version": "2.6.1+dfsg1-0ubuntu0.20.04.2+esm3",
            "binary_name": "winpr-utils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-24683.json"

Ubuntu:22.04:LTS / freerdp2

Package

Name
freerdp2
Purl
pkg:deb/ubuntu/freerdp2@2.6.1+dfsg1-3ubuntu2.10?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.6.1+dfsg1-3ubuntu2.10

Affected versions

2.*
2.3.0+dfsg1-2build1
2.3.0+dfsg1-2ubuntu1
2.3.0+dfsg1-2ubuntu2
2.4.1+dfsg1-1
2.4.1+dfsg1-1ubuntu1
2.4.1+dfsg1-1ubuntu2
2.5.0+dfsg1-1
2.6.0+dfsg1-1
2.6.1+dfsg1-1
2.6.1+dfsg1-3
2.6.1+dfsg1-3ubuntu1
2.6.1+dfsg1-3ubuntu2
2.6.1+dfsg1-3ubuntu2.1
2.6.1+dfsg1-3ubuntu2.2
2.6.1+dfsg1-3ubuntu2.3
2.6.1+dfsg1-3ubuntu2.4
2.6.1+dfsg1-3ubuntu2.5
2.6.1+dfsg1-3ubuntu2.6
2.6.1+dfsg1-3ubuntu2.7
2.6.1+dfsg1-3ubuntu2.8
2.6.1+dfsg1-3ubuntu2.9

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "freerdp2-dev"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "freerdp2-shadow-x11"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "freerdp2-wayland"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "freerdp2-x11"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libfreerdp-client2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libfreerdp-server2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libfreerdp-shadow-subsystem2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libfreerdp-shadow2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libfreerdp2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libuwac0-0"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libuwac0-dev"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libwinpr-tools2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libwinpr2-2"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "libwinpr2-dev"
        },
        {
            "binary_version": "2.6.1+dfsg1-3ubuntu2.10",
            "binary_name": "winpr-utils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-24683.json"

Ubuntu:24.04:LTS / freerdp3

Package

Name
freerdp3
Purl
pkg:deb/ubuntu/freerdp3@3.5.1+dfsg1-0ubuntu1.2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.1+dfsg1-0ubuntu1.2

Affected versions

3.*
3.4.0+dfsg1-0ubuntu2
3.4.0+dfsg1-0ubuntu3
3.4.0+dfsg1-0ubuntu4
3.5.0+dfsg1-0ubuntu1
3.5.1+dfsg1-0ubuntu1
3.5.1+dfsg1-0ubuntu1.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "freerdp3-dev"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "freerdp3-shadow-x11"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "freerdp3-wayland"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "freerdp3-x11"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "libfreerdp-client3-3"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "libfreerdp-server3-3"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "libfreerdp-shadow-subsystem3-3"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "libfreerdp-shadow3-3"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "libfreerdp3-3"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "libwinpr-tools3-3"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "libwinpr3-3"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "libwinpr3-dev"
        },
        {
            "binary_version": "3.5.1+dfsg1-0ubuntu1.2",
            "binary_name": "winpr3-utils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-24683.json"

Ubuntu:Pro:24.04:LTS / freerdp2

Package

Name
freerdp2
Purl
pkg:deb/ubuntu/freerdp2@2.11.5+dfsg1-1ubuntu0.1~esm5?arch=source&distro=esm-apps/noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.5+dfsg1-1ubuntu0.1~esm5

Affected versions

2.*
2.10.0+dfsg1-1.1ubuntu1
2.11.2+dfsg1-1
2.11.2+dfsg1-1build1
2.11.2+dfsg1-1build3
2.11.5+dfsg1-1build1
2.11.5+dfsg1-1build2
2.11.5+dfsg1-1ubuntu0.1~esm1
2.11.5+dfsg1-1ubuntu0.1~esm2
2.11.5+dfsg1-1ubuntu0.1~esm3
2.11.5+dfsg1-1ubuntu0.1~esm4

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "freerdp2-dev"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "freerdp2-shadow-x11"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "freerdp2-wayland"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "freerdp2-x11"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libfreerdp-client2-2t64"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libfreerdp-server2-2t64"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libfreerdp-shadow-subsystem2-2t64"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libfreerdp-shadow2-2t64"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libfreerdp2-2t64"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libuwac0-0t64"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libuwac0-dev"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libwinpr-tools2-2t64"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libwinpr2-2t64"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "libwinpr2-dev"
        },
        {
            "binary_version": "2.11.5+dfsg1-1ubuntu0.1~esm5",
            "binary_name": "winpr-utils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-24683.json"

Ubuntu:25.10 / freerdp3

Package

Name
freerdp3
Purl
pkg:deb/ubuntu/freerdp3@3.16.0+dfsg-2ubuntu0.1?arch=source&distro=questing

Affected ranges

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

Affected versions

3.*
3.14.0+dfsg-1ubuntu1
3.15.0+dfsg-2.1
3.16.0+dfsg-1ubuntu1
3.16.0+dfsg-2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "freerdp3-dev"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "freerdp3-proxy"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "freerdp3-proxy-modules"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "freerdp3-sdl"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "freerdp3-shadow-x11"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "freerdp3-wayland"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "freerdp3-x11"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "libfreerdp-client3-3"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "libfreerdp-server-proxy3-3"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "libfreerdp-server3-3"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "libfreerdp-shadow-subsystem3-3"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "libfreerdp-shadow3-3"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "libfreerdp3-3"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "libwinpr-tools3-3"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "libwinpr3-3"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "libwinpr3-dev"
        },
        {
            "binary_version": "3.16.0+dfsg-2ubuntu0.1",
            "binary_name": "winpr3-utils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-24683.json"