UBUNTU-CVE-2026-95115

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Source
https://ubuntu.com/security/CVE-2026-95115
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95115.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-95115
Upstream
Published
2026-10-13T15:17:00Z
Modified
2026-10-17T13:01:19Z
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

Buffer Overflow vulnerability in libwebsockets main 106d542c allows a remote attacker to cause a denial of service via the LEJP JSON parser

References

Affected packages

Ubuntu:26.10
libwebsockets

Package

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

Affected ranges

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

Affected versions

4.*
4.3.5-3ubuntu1
4.3.5-4.1
4.3.5-5
4.3.5-5ubuntu1
4.3.5-5ubuntu2
4.3.5-7ubuntu1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwebsockets-evlib-ev",
            "binary_version":  "4.3.5-7ubuntu1"
        },
        {
            "binary_name":  "libwebsockets-evlib-glib",
            "binary_version":  "4.3.5-7ubuntu1"
        },
        {
            "binary_name":  "libwebsockets-evlib-uv",
            "binary_version":  "4.3.5-7ubuntu1"
        },
        {
            "binary_name":  "libwebsockets-test-server",
            "binary_version":  "4.3.5-7ubuntu1"
        },
        {
            "binary_name":  "libwebsockets-test-server-common",
            "binary_version":  "4.3.5-7ubuntu1"
        },
        {
            "binary_name":  "libwebsockets19t64",
            "binary_version":  "4.3.5-7ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95115.json"
Ubuntu:Pro:16.04:LTS
libwebsockets

Package

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

Affected ranges

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

Affected versions

1.*
1.2.2-1
1.6.0-3
1.6.0-4
1.6.0-5
1.6.1-1
1.7.0-1ubuntu1
1.7.0-2
1.7.1-1
1.7.1-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwebsockets-test-server",
            "binary_version":  "1.7.1-1ubuntu0.1~esm1"
        },
        {
            "binary_name":  "libwebsockets-test-server-common",
            "binary_version":  "1.7.1-1ubuntu0.1~esm1"
        },
        {
            "binary_name":  "libwebsockets7",
            "binary_version":  "1.7.1-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95115.json"
Ubuntu:Pro:18.04:LTS
libwebsockets

Package

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

Affected ranges

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

Affected versions

2.*
2.0.3-3
2.0.3-3build1
2.0.3-3ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwebsockets-test-server",
            "binary_version":  "2.0.3-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "libwebsockets-test-server-common",
            "binary_version":  "2.0.3-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "libwebsockets8",
            "binary_version":  "2.0.3-3ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95115.json"
Ubuntu:Pro:20.04:LTS
libwebsockets

Package

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

Affected ranges

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

Affected versions

2.*
2.0.3-3build1
3.*
3.2.1-3
3.2.1-3ubuntu0.1~esm1
3.2.1-3ubuntu0.1~esm2
3.2.1-3ubuntu0.1~esm3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwebsockets-test-server",
            "binary_version":  "3.2.1-3ubuntu0.1~esm3"
        },
        {
            "binary_name":  "libwebsockets-test-server-common",
            "binary_version":  "3.2.1-3ubuntu0.1~esm3"
        },
        {
            "binary_name":  "libwebsockets15",
            "binary_version":  "3.2.1-3ubuntu0.1~esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95115.json"
Ubuntu:Pro:22.04:LTS
libwebsockets

Package

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

Affected ranges

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

Affected versions

4.*
4.0.20-2
4.0.20-2ubuntu1
4.0.20-2ubuntu1.1
4.0.20-2ubuntu1.1+esm1
4.0.20-2ubuntu1.1+esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwebsockets-test-server",
            "binary_version":  "4.0.20-2ubuntu1.1+esm2"
        },
        {
            "binary_name":  "libwebsockets-test-server-common",
            "binary_version":  "4.0.20-2ubuntu1.1+esm2"
        },
        {
            "binary_name":  "libwebsockets16",
            "binary_version":  "4.0.20-2ubuntu1.1+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95115.json"
Ubuntu:Pro:24.04:LTS
libwebsockets

Package

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

Affected ranges

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

Affected versions

4.*
4.3.2-4
4.3.3-1
4.3.3-1.1build1
4.3.3-1.1build2
4.3.3-1.1build3
4.3.3-1.1ubuntu0.1~esm1
4.3.3-1.1ubuntu0.1~esm2
4.3.3-1.1ubuntu0.1~esm3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwebsockets-evlib-ev",
            "binary_version":  "4.3.3-1.1ubuntu0.1~esm3"
        },
        {
            "binary_name":  "libwebsockets-evlib-glib",
            "binary_version":  "4.3.3-1.1ubuntu0.1~esm3"
        },
        {
            "binary_name":  "libwebsockets-evlib-uv",
            "binary_version":  "4.3.3-1.1ubuntu0.1~esm3"
        },
        {
            "binary_name":  "libwebsockets-test-server",
            "binary_version":  "4.3.3-1.1ubuntu0.1~esm3"
        },
        {
            "binary_name":  "libwebsockets-test-server-common",
            "binary_version":  "4.3.3-1.1ubuntu0.1~esm3"
        },
        {
            "binary_name":  "libwebsockets19t64",
            "binary_version":  "4.3.3-1.1ubuntu0.1~esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95115.json"
Ubuntu:Pro:26.04:LTS
libwebsockets

Package

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

Affected ranges

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

Affected versions

4.*
4.3.5-1
4.3.5-3
4.3.5-3ubuntu1
4.3.5-3ubuntu1.1
4.3.5-3ubuntu1.2+esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwebsockets-evlib-ev",
            "binary_version":  "4.3.5-3ubuntu1.2+esm1"
        },
        {
            "binary_name":  "libwebsockets-evlib-glib",
            "binary_version":  "4.3.5-3ubuntu1.2+esm1"
        },
        {
            "binary_name":  "libwebsockets-evlib-uv",
            "binary_version":  "4.3.5-3ubuntu1.2+esm1"
        },
        {
            "binary_name":  "libwebsockets-test-server",
            "binary_version":  "4.3.5-3ubuntu1.2+esm1"
        },
        {
            "binary_name":  "libwebsockets-test-server-common",
            "binary_version":  "4.3.5-3ubuntu1.2+esm1"
        },
        {
            "binary_name":  "libwebsockets19t64",
            "binary_version":  "4.3.5-3ubuntu1.2+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95115.json"