UBUNTU-CVE-2026-83599

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Source

https://ubuntu.com/security/CVE-2026-83599

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83599.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-83599

Upstream

CVE-2026-83599

Published

2026-09-22T17:17:00Z

Modified

2026-09-24T02:01:04Z

Severity

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

Netdata is an open source observability tool. Prior to 2.11.0, Netdata's unauthenticated WebSocket server negotiates permessage-deflate before authentication, and src/web/websocket/websocket-compression.c allows websocket_client_decompress_message() to grow decompressed output toward WS_MAX_DECOMPRESSED_SIZE without enforcing a compressed-to-decompressed ratio. Small highly compressed frames can therefore cause large server-side allocations, and repeated concurrent connections can exhaust memory and terminate monitoring. This vulnerability is fixed in 2.11.0.

References

Affected packages

Ubuntu:Pro:18.04:LTS / netdata

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.7.0+dfsg-1

1.8.0+dfsg-1

1.9.0+dfsg-1

1.9.0+dfsg-1ubuntu0.1~esm1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "netdata",
            "binary_version":  "1.9.0+dfsg-1ubuntu0.1~esm1"
        },
        {
            "binary_name":  "netdata-data",
            "binary_version":  "1.9.0+dfsg-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83599.json"

Ubuntu:Pro:20.04:LTS / netdata

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.16.1-2

1.19.0-3ubuntu1

1.19.0-3ubuntu1+esm1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "netdata",
            "binary_version":  "1.19.0-3ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-apache2",
            "binary_version":  "1.19.0-3ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-core",
            "binary_version":  "1.19.0-3ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-plugins-bash",
            "binary_version":  "1.19.0-3ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-plugins-nodejs",
            "binary_version":  "1.19.0-3ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-plugins-python",
            "binary_version":  "1.19.0-3ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-web",
            "binary_version":  "1.19.0-3ubuntu1+esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83599.json"

Ubuntu:Pro:22.04:LTS / netdata

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.29.3-4

1.31.0-4

1.33.1-1ubuntu1

1.33.1-1ubuntu1+esm1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "netdata",
            "binary_version":  "1.33.1-1ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-apache2",
            "binary_version":  "1.33.1-1ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-core",
            "binary_version":  "1.33.1-1ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-plugins-bash",
            "binary_version":  "1.33.1-1ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-plugins-nodejs",
            "binary_version":  "1.33.1-1ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-plugins-python",
            "binary_version":  "1.33.1-1ubuntu1+esm1"
        },
        {
            "binary_name":  "netdata-web",
            "binary_version":  "1.33.1-1ubuntu1+esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83599.json"

Ubuntu:24.04:LTS / netdata

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.42.1-1

1.43.1-1

1.43.2-1

1.43.2-1build1

1.43.2-1build2

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "netdata",
            "binary_version":  "1.43.2-1build2"
        },
        {
            "binary_name":  "netdata-apache2",
            "binary_version":  "1.43.2-1build2"
        },
        {
            "binary_name":  "netdata-core",
            "binary_version":  "1.43.2-1build2"
        },
        {
            "binary_name":  "netdata-plugins-bash",
            "binary_version":  "1.43.2-1build2"
        },
        {
            "binary_name":  "netdata-plugins-python",
            "binary_version":  "1.43.2-1build2"
        },
        {
            "binary_name":  "netdata-web",
            "binary_version":  "1.43.2-1build2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83599.json"