UBUNTU-CVE-2026-53495

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2026-53495
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-53495
Upstream
Published
2026-09-14T18:17:00Z
Modified
2026-09-16T14:01:47Z
Severity
  • 6.8 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

containerd is an open-source container runtime. Prior to 1.7.35, 2.0.12, 2.2.8, and 2.3.5, containerd on Linux with the CRI plugin enabled can indefinitely block the drainExecSyncIO goroutine in internal/cri/server/container_execsync.go when CRI ExecSync is used by exec probes or lifecycle hooks that launch long-lived background child processes retaining standard input and output pipes. The input and output drain phase has no default timeout and did not stop when the request context was canceled, so repeated ExecSync invocations can accumulate blocked goroutines and host memory. The resulting resource exhaustion can cause the OOM killer to terminate containerd, leaving the container runtime unavailable until restart. Deployments not using containerd's CRI implementation and containers not running on Linux are not affected. This issue is fixed in versions 1.7.35, 2.0.12, 2.2.8, and 2.3.5.

References

Affected packages

Ubuntu:22.04:LTS
containerd

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.5.5-0ubuntu3
1.5.9-0ubuntu1
1.5.9-0ubuntu2
1.5.9-0ubuntu3
1.5.9-0ubuntu3.1
1.6.12-0ubuntu1~22.04.1
1.6.12-0ubuntu1~22.04.3
1.6.12-0ubuntu1~22.04.5
1.6.12-0ubuntu1~22.04.6
1.6.12-0ubuntu1~22.04.7
1.6.12-0ubuntu1~22.04.8
1.6.12-0ubuntu1~22.04.9
1.6.12-0ubuntu1~22.04.10
1.6.12-0ubuntu1~22.04.11

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-github-containerd-containerd-dev",
            "binary_version": "1.6.12-0ubuntu1~22.04.11"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
Ubuntu:24.04:LTS
containerd-app

Package

Name
containerd-app
Purl
pkg:deb/ubuntu/containerd-app?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.7.2-0ubuntu2
1.7.12-0ubuntu1
1.7.12-0ubuntu2
1.7.12-0ubuntu3
1.7.12-0ubuntu4
1.7.12-0ubuntu4.1
1.7.19-0ubuntu1~24.04.1
1.7.19+really1.7.12-0ubuntu4.2
1.7.24-0ubuntu1~24.04.1
1.7.24-0ubuntu1~24.04.2
1.7.27-0ubuntu1~24.04.1
1.7.28-0ubuntu1~24.04.1
1.7.28-0ubuntu1~24.04.2
2.*
2.2.1-0ubuntu1~24.04.2
2.2.1-0ubuntu1~24.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "containerd",
            "binary_version": "2.2.1-0ubuntu1~24.04.3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
Ubuntu:26.04:LTS
containerd-app

Package

Name
containerd-app
Purl
pkg:deb/ubuntu/containerd-app?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.1.3-0ubuntu3
2.2.1-0ubuntu1
2.2.2-0ubuntu1
2.2.2-0ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "containerd",
            "binary_version": "2.2.2-0ubuntu1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
containerd-stable

Package

Name
containerd-stable
Purl
pkg:deb/ubuntu/containerd-stable?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.1.3-0ubuntu1
2.1.5-0ubuntu1
2.2.1-0ubuntu1
2.2.2-0ubuntu1
2.2.2-0ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "containerd-stable",
            "binary_version": "2.2.2-0ubuntu1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
Ubuntu:Pro:16.04:LTS
containerd

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.2.1-0ubuntu4~16.04
0.2.3-0ubuntu1~16.04
0.2.5-0ubuntu1~16.04.1
1.*
1.2.6-0ubuntu1~16.04.2
1.2.6-0ubuntu1~16.04.3
1.2.6-0ubuntu1~16.04.4
1.2.6-0ubuntu1~16.04.5
1.2.6-0ubuntu1~16.04.6
1.2.6-0ubuntu1~16.04.6+esm1
1.2.6-0ubuntu1~16.04.6+esm2
1.2.6-0ubuntu1~16.04.6+esm4
1.2.6-0ubuntu1~16.04.6+esm5
1.2.6-0ubuntu1~16.04.6+esm6
1.2.6-0ubuntu1~16.04.6+esm7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "containerd",
            "binary_version": "1.2.6-0ubuntu1~16.04.6+esm7"
        },
        {
            "binary_name": "golang-github-docker-containerd-dev",
            "binary_version": "1.2.6-0ubuntu1~16.04.6+esm7"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
Ubuntu:Pro:18.04:LTS
containerd

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.2.5-0ubuntu2
1.*
1.2.6-0ubuntu1~18.04.1
1.2.6-0ubuntu1~18.04.2
1.3.3-0ubuntu1~18.04.1
1.3.3-0ubuntu1~18.04.2
1.3.3-0ubuntu1~18.04.3
1.3.3-0ubuntu1~18.04.4
1.4.4-0ubuntu1~18.04.2
1.5.2-0ubuntu1~18.04.1
1.5.2-0ubuntu1~18.04.2
1.5.2-0ubuntu1~18.04.3
1.5.5-0ubuntu3~18.04.1
1.5.5-0ubuntu3~18.04.2
1.5.9-0ubuntu1~18.04.1
1.5.9-0ubuntu1~18.04.2
1.6.12-0ubuntu1~18.04.1
1.6.12-0ubuntu1~18.04.1+esm1
1.6.12-0ubuntu1~18.04.1+esm2
1.6.12-0ubuntu1~18.04.1+esm3
1.6.12-0ubuntu1~18.04.1+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "containerd",
            "binary_version": "1.6.12-0ubuntu1~18.04.1+esm4"
        },
        {
            "binary_name": "golang-github-containerd-containerd-dev",
            "binary_version": "1.6.12-0ubuntu1~18.04.1+esm4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
Ubuntu:Pro:20.04:LTS
containerd

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.2.10-0ubuntu1
1.3.2-0ubuntu1
1.3.3-0ubuntu1
1.3.3-0ubuntu2
1.3.3-0ubuntu2.1
1.3.3-0ubuntu2.2
1.3.3-0ubuntu2.3
1.4.4-0ubuntu1~20.04.2
1.5.2-0ubuntu1~20.04.1
1.5.2-0ubuntu1~20.04.2
1.5.2-0ubuntu1~20.04.3
1.5.5-0ubuntu3~20.04.1
1.5.5-0ubuntu3~20.04.2
1.5.9-0ubuntu1~20.04.1
1.5.9-0ubuntu1~20.04.4
1.5.9-0ubuntu1~20.04.5
1.5.9-0ubuntu1~20.04.6
1.6.12-0ubuntu1~20.04.1
1.6.12-0ubuntu1~20.04.3
1.6.12-0ubuntu1~20.04.5
1.6.12-0ubuntu1~20.04.6
1.6.12-0ubuntu1~20.04.7
1.6.12-0ubuntu1~20.04.8
1.6.12-0ubuntu1~20.04.8+esm1
1.6.12-0ubuntu1~20.04.8+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-github-containerd-containerd-dev",
            "binary_version": "1.6.12-0ubuntu1~20.04.8+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
containerd-app

Package

Name
containerd-app
Purl
pkg:deb/ubuntu/containerd-app?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.7.2-0ubuntu1~20.04.1
1.7.12-0ubuntu2~20.04.1
1.7.24-0ubuntu1~20.04.1
1.7.24-0ubuntu1~20.04.2
1.7.24-0ubuntu1~20.04.2+esm1
1.7.24-0ubuntu1~20.04.2+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "containerd",
            "binary_version": "1.7.24-0ubuntu1~20.04.2+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
Ubuntu:Pro:22.04:LTS
containerd-app

Package

Name
containerd-app
Purl
pkg:deb/ubuntu/containerd-app?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.7.2-0ubuntu1~22.04.1
1.7.12-0ubuntu2~22.04.1
1.7.24-0ubuntu1~22.04.1
1.7.24-0ubuntu1~22.04.2
1.7.27-0ubuntu1~22.04.1
1.7.28-0ubuntu1~22.04.1
1.7.28-0ubuntu1~22.04.1+esm1
2.*
2.2.1-0ubuntu1~22.04.1
2.2.1-0ubuntu1~22.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "containerd",
            "binary_version": "2.2.1-0ubuntu1~22.04.2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
Ubuntu:Pro:24.04:LTS
containerd

Package

Name
containerd
Purl
pkg:deb/ubuntu/containerd?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.6.20~ds1-1ubuntu2
1.6.24~ds1-1ubuntu1
1.6.24~ds1-1ubuntu1.1
1.6.24~ds1-1ubuntu1.2
1.6.24~ds1-1ubuntu1.2+esm1
1.6.24~ds1-1ubuntu1.3
1.6.24~ds1-1ubuntu1.3+esm1
1.6.24~ds1-1ubuntu1.3+esm2
1.6.24~ds1-1ubuntu1.3+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-github-containerd-containerd-dev",
            "binary_version": "1.6.24~ds1-1ubuntu1.3+esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"
Ubuntu:Pro:26.04:LTS
containerd

Package

Name
containerd
Purl
pkg:deb/ubuntu/containerd?arch=source&distro=esm-apps%2Fresolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.7.24~ds1-8ubuntu1
1.7.24~ds1-10ubuntu1
1.7.24~ds1-10ubuntu1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-github-containerd-containerd-api-dev",
            "binary_version": "1.7.24~ds1-10ubuntu1+esm1"
        },
        {
            "binary_name": "golang-github-containerd-containerd-dev",
            "binary_version": "1.7.24~ds1-10ubuntu1+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-53495.json"