UBUNTU-CVE-2026-40542

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Source
https://ubuntu.com/security/CVE-2026-40542
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40542.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-40542
Upstream
Published
2026-04-22T08:16:00Z
Modified
2026-06-30T18:17:38.249706244Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue.

References

Affected packages

Ubuntu:22.04:LTS
httpcomponents-client

Package

Name
httpcomponents-client
Purl
pkg:deb/ubuntu/httpcomponents-client?arch=source&distro=jammy

Affected ranges

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

Affected versions

4.*
4.5.13-2
4.5.13-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.5.13-3",
            "binary_name": "libhttpclient-java"
        },
        {
            "binary_version": "4.5.13-3",
            "binary_name": "libhttpmime-java"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40542.json"
Ubuntu:24.04:LTS
httpcomponents-client

Package

Name
httpcomponents-client
Purl
pkg:deb/ubuntu/httpcomponents-client?arch=source&distro=noble

Affected ranges

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

Affected versions

4.*
4.5.14-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.5.14-1",
            "binary_name": "libhttpclient-java"
        },
        {
            "binary_version": "4.5.14-1",
            "binary_name": "libhttpmime-java"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40542.json"
Ubuntu:25.10
httpcomponents-client

Package

Name
httpcomponents-client
Purl
pkg:deb/ubuntu/httpcomponents-client?arch=source&distro=questing

Affected ranges

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

Affected versions

4.*
4.5.14-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.5.14-1",
            "binary_name": "libhttpclient-java"
        },
        {
            "binary_version": "4.5.14-1",
            "binary_name": "libhttpmime-java"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40542.json"
Ubuntu:26.04:LTS
httpcomponents-client

Package

Name
httpcomponents-client
Purl
pkg:deb/ubuntu/httpcomponents-client?arch=source&distro=resolute

Affected ranges

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

Affected versions

4.*
4.5.14-1
4.5.14-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.5.14-1build1",
            "binary_name": "libhttpclient-java"
        },
        {
            "binary_version": "4.5.14-1build1",
            "binary_name": "libhttpmime-java"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40542.json"
Ubuntu:Pro:14.04:LTS
httpcomponents-client

Package

Name
httpcomponents-client
Purl
pkg:deb/ubuntu/httpcomponents-client?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

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

Affected versions

4.*
4.2.5-2
4.3.2-1
4.3.3-1
4.3.3-1ubuntu0.1
4.3.3-1ubuntu0.1+esm1
4.3.3-1ubuntu0.1+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.3.3-1ubuntu0.1+esm2",
            "binary_name": "libhttpclient-java"
        },
        {
            "binary_version": "4.3.3-1ubuntu0.1+esm2",
            "binary_name": "libhttpmime-java"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40542.json"
Ubuntu:Pro:16.04:LTS
httpcomponents-client

Package

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

Affected ranges

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

Affected versions

4.*
4.4.1-1
4.5.1-1
4.5.1-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.5.1-1ubuntu0.1~esm1",
            "binary_name": "libhttpclient-java"
        },
        {
            "binary_version": "4.5.1-1ubuntu0.1~esm1",
            "binary_name": "libhttpmime-java"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40542.json"
Ubuntu:Pro:18.04:LTS
httpcomponents-client

Package

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

Affected ranges

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

Affected versions

4.*
4.5.3-1
4.5.4-1
4.5.5-1
4.5.5-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.5.5-1ubuntu0.1~esm1",
            "binary_name": "libhttpclient-java"
        },
        {
            "binary_version": "4.5.5-1ubuntu0.1~esm1",
            "binary_name": "libhttpmime-java"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40542.json"
Ubuntu:Pro:20.04:LTS
httpcomponents-client

Package

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

Affected ranges

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

Affected versions

4.*
4.5.9-1
4.5.10-2
4.5.11-1
4.5.11-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.5.11-1ubuntu0.1~esm1",
            "binary_name": "libhttpclient-java"
        },
        {
            "binary_version": "4.5.11-1ubuntu0.1~esm1",
            "binary_name": "libhttpmime-java"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40542.json"