UBUNTU-CVE-2026-42356

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Source
https://ubuntu.com/security/CVE-2026-42356
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42356.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-42356
Upstream
  • CVE-2026-42356
Published
2026-10-02T00:00:00Z
Modified
2026-10-02T22:30:17Z
Severity
  • 3.7 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Deployment of wrong handler vulnerability in Apache HTTP Server allows the target of some internal redirects from CGI programs to also be treated as CGI and executed. The target must already be in a directory enabled for CGI and have no other extension understood by mod_mime. This issue affects Apache HTTP Server: from 2.4.60 through 2.4.68.

References

Affected packages

Ubuntu:22.04:LTS
apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2?arch=source&distro=jammy

Affected ranges

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

Affected versions

2.*
2.4.48-3.1ubuntu3
2.4.48-3.1ubuntu4
2.4.51-2ubuntu1
2.4.52-1ubuntu1
2.4.52-1ubuntu2
2.4.52-1ubuntu4
2.4.52-1ubuntu4.1
2.4.52-1ubuntu4.2
2.4.52-1ubuntu4.3
2.4.52-1ubuntu4.4
2.4.52-1ubuntu4.5
2.4.52-1ubuntu4.6
2.4.52-1ubuntu4.7
2.4.52-1ubuntu4.8
2.4.52-1ubuntu4.9
2.4.52-1ubuntu4.10
2.4.52-1ubuntu4.11
2.4.52-1ubuntu4.12
2.4.52-1ubuntu4.13
2.4.52-1ubuntu4.14
2.4.52-1ubuntu4.15
2.4.52-1ubuntu4.16
2.4.52-1ubuntu4.18
2.4.52-1ubuntu4.19
2.4.52-1ubuntu4.20
2.4.52-1ubuntu4.21
2.4.52-1ubuntu4.23

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "apache2",
            "binary_version":  "2.4.52-1ubuntu4.23"
        },
        {
            "binary_name":  "apache2-bin",
            "binary_version":  "2.4.52-1ubuntu4.23"
        },
        {
            "binary_name":  "apache2-data",
            "binary_version":  "2.4.52-1ubuntu4.23"
        },
        {
            "binary_name":  "apache2-suexec-custom",
            "binary_version":  "2.4.52-1ubuntu4.23"
        },
        {
            "binary_name":  "apache2-suexec-pristine",
            "binary_version":  "2.4.52-1ubuntu4.23"
        },
        {
            "binary_name":  "apache2-utils",
            "binary_version":  "2.4.52-1ubuntu4.23"
        },
        {
            "binary_name":  "libapache2-mod-md",
            "binary_version":  "2.4.52-1ubuntu4.23"
        },
        {
            "binary_name":  "libapache2-mod-proxy-uwsgi",
            "binary_version":  "2.4.52-1ubuntu4.23"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42356.json"
Ubuntu:24.04:LTS
apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2?arch=source&distro=noble

Affected ranges

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

Affected versions

2.*
2.4.57-2ubuntu2
2.4.57-2ubuntu3
2.4.58-1ubuntu1
2.4.58-1ubuntu2
2.4.58-1ubuntu6
2.4.58-1ubuntu7
2.4.58-1ubuntu8
2.4.58-1ubuntu8.1
2.4.58-1ubuntu8.2
2.4.58-1ubuntu8.3
2.4.58-1ubuntu8.4
2.4.58-1ubuntu8.5
2.4.58-1ubuntu8.6
2.4.58-1ubuntu8.7
2.4.58-1ubuntu8.8
2.4.58-1ubuntu8.10
2.4.58-1ubuntu8.11
2.4.58-1ubuntu8.12
2.4.58-1ubuntu8.13
2.4.58-1ubuntu8.15

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "apache2",
            "binary_version":  "2.4.58-1ubuntu8.15"
        },
        {
            "binary_name":  "apache2-bin",
            "binary_version":  "2.4.58-1ubuntu8.15"
        },
        {
            "binary_name":  "apache2-data",
            "binary_version":  "2.4.58-1ubuntu8.15"
        },
        {
            "binary_name":  "apache2-suexec-custom",
            "binary_version":  "2.4.58-1ubuntu8.15"
        },
        {
            "binary_name":  "apache2-suexec-pristine",
            "binary_version":  "2.4.58-1ubuntu8.15"
        },
        {
            "binary_name":  "apache2-utils",
            "binary_version":  "2.4.58-1ubuntu8.15"
        },
        {
            "binary_name":  "libapache2-mod-md",
            "binary_version":  "2.4.58-1ubuntu8.15"
        },
        {
            "binary_name":  "libapache2-mod-proxy-uwsgi",
            "binary_version":  "2.4.58-1ubuntu8.15"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42356.json"
Ubuntu:26.04:LTS
apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2?arch=source&distro=resolute

Affected ranges

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

Affected versions

2.*
2.4.64-1ubuntu3
2.4.65-3ubuntu1
2.4.66-2ubuntu1
2.4.66-2ubuntu2
2.4.66-2ubuntu2.1
2.4.66-2ubuntu2.2
2.4.66-2ubuntu2.4

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "apache2",
            "binary_version":  "2.4.66-2ubuntu2.4"
        },
        {
            "binary_name":  "apache2-bin",
            "binary_version":  "2.4.66-2ubuntu2.4"
        },
        {
            "binary_name":  "apache2-data",
            "binary_version":  "2.4.66-2ubuntu2.4"
        },
        {
            "binary_name":  "apache2-suexec-custom",
            "binary_version":  "2.4.66-2ubuntu2.4"
        },
        {
            "binary_name":  "apache2-suexec-pristine",
            "binary_version":  "2.4.66-2ubuntu2.4"
        },
        {
            "binary_name":  "apache2-utils",
            "binary_version":  "2.4.66-2ubuntu2.4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42356.json"
Ubuntu:Pro:14.04:LTS
apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

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

Affected versions

2.*
2.4.6-2ubuntu2
2.4.6-2ubuntu3
2.4.6-2ubuntu4
2.4.7-1ubuntu1
2.4.7-1ubuntu2
2.4.7-1ubuntu3
2.4.7-1ubuntu4
2.4.7-1ubuntu4.1
2.4.7-1ubuntu4.4
2.4.7-1ubuntu4.5
2.4.7-1ubuntu4.6
2.4.7-1ubuntu4.7
2.4.7-1ubuntu4.8
2.4.7-1ubuntu4.9
2.4.7-1ubuntu4.10
2.4.7-1ubuntu4.11
2.4.7-1ubuntu4.13
2.4.7-1ubuntu4.15
2.4.7-1ubuntu4.16
2.4.7-1ubuntu4.17
2.4.7-1ubuntu4.18
2.4.7-1ubuntu4.19
2.4.7-1ubuntu4.20
2.4.7-1ubuntu4.21
2.4.7-1ubuntu4.22
2.4.7-1ubuntu4.22+esm1
2.4.7-1ubuntu4.22+esm2
2.4.7-1ubuntu4.22+esm3
2.4.7-1ubuntu4.22+esm4
2.4.7-1ubuntu4.22+esm5
2.4.7-1ubuntu4.22+esm6
2.4.7-1ubuntu4.22+esm8
2.4.7-1ubuntu4.22+esm9
2.4.7-1ubuntu4.22+esm10
2.4.7-1ubuntu4.22+esm12
2.4.7-1ubuntu4.22+esm13
2.4.7-1ubuntu4.22+esm14
2.4.7-1ubuntu4.22+esm15

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "apache2",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-bin",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-data",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-mpm-event",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-mpm-itk",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-mpm-prefork",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-mpm-worker",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-suexec",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-suexec-custom",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-suexec-pristine",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2-utils",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "apache2.2-bin",
            "binary_version":  "2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "libapache2-mod-macro",
            "binary_version":  "1:2.4.7-1ubuntu4.22+esm15"
        },
        {
            "binary_name":  "libapache2-mod-proxy-html",
            "binary_version":  "1:2.4.7-1ubuntu4.22+esm15"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42356.json"
Ubuntu:Pro:16.04:LTS
apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra-legacy%2Fxenial

Affected ranges

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

Affected versions

2.*
2.4.12-2ubuntu2
2.4.17-1ubuntu1
2.4.17-2ubuntu1
2.4.17-3ubuntu1
2.4.18-1ubuntu1
2.4.18-2ubuntu1
2.4.18-2ubuntu2
2.4.18-2ubuntu3
2.4.18-2ubuntu3.1
2.4.18-2ubuntu3.2
2.4.18-2ubuntu3.3
2.4.18-2ubuntu3.4
2.4.18-2ubuntu3.5
2.4.18-2ubuntu3.7
2.4.18-2ubuntu3.8
2.4.18-2ubuntu3.9
2.4.18-2ubuntu3.10
2.4.18-2ubuntu3.12
2.4.18-2ubuntu3.13
2.4.18-2ubuntu3.14
2.4.18-2ubuntu3.15
2.4.18-2ubuntu3.17
2.4.18-2ubuntu3.17+esm1
2.4.18-2ubuntu3.17+esm2
2.4.18-2ubuntu3.17+esm3
2.4.18-2ubuntu3.17+esm4
2.4.18-2ubuntu3.17+esm5
2.4.18-2ubuntu3.17+esm6
2.4.18-2ubuntu3.17+esm7
2.4.18-2ubuntu3.17+esm8
2.4.18-2ubuntu3.17+esm9
2.4.18-2ubuntu3.17+esm10
2.4.18-2ubuntu3.17+esm11
2.4.18-2ubuntu3.17+esm12
2.4.18-2ubuntu3.17+esm13
2.4.18-2ubuntu3.17+esm14
2.4.18-2ubuntu3.17+esm16
2.4.18-2ubuntu3.17+esm17
2.4.18-2ubuntu3.17+esm18
2.4.18-2ubuntu3.17+esm19
2.4.18-2ubuntu3.17+esm20

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "apache2",
            "binary_version":  "2.4.18-2ubuntu3.17+esm20"
        },
        {
            "binary_name":  "apache2-bin",
            "binary_version":  "2.4.18-2ubuntu3.17+esm20"
        },
        {
            "binary_name":  "apache2-data",
            "binary_version":  "2.4.18-2ubuntu3.17+esm20"
        },
        {
            "binary_name":  "apache2-suexec-custom",
            "binary_version":  "2.4.18-2ubuntu3.17+esm20"
        },
        {
            "binary_name":  "apache2-suexec-pristine",
            "binary_version":  "2.4.18-2ubuntu3.17+esm20"
        },
        {
            "binary_name":  "apache2-utils",
            "binary_version":  "2.4.18-2ubuntu3.17+esm20"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42356.json"
Ubuntu:Pro:18.04:LTS
apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra%2Fbionic

Affected ranges

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

Affected versions

2.*
2.4.27-2ubuntu3
2.4.29-1ubuntu1
2.4.29-1ubuntu2
2.4.29-1ubuntu3
2.4.29-1ubuntu4
2.4.29-1ubuntu4.1
2.4.29-1ubuntu4.2
2.4.29-1ubuntu4.3
2.4.29-1ubuntu4.4
2.4.29-1ubuntu4.5
2.4.29-1ubuntu4.6
2.4.29-1ubuntu4.7
2.4.29-1ubuntu4.8
2.4.29-1ubuntu4.10
2.4.29-1ubuntu4.11
2.4.29-1ubuntu4.12
2.4.29-1ubuntu4.13
2.4.29-1ubuntu4.14
2.4.29-1ubuntu4.16
2.4.29-1ubuntu4.17
2.4.29-1ubuntu4.18
2.4.29-1ubuntu4.19
2.4.29-1ubuntu4.20
2.4.29-1ubuntu4.21
2.4.29-1ubuntu4.22
2.4.29-1ubuntu4.23
2.4.29-1ubuntu4.24
2.4.29-1ubuntu4.25
2.4.29-1ubuntu4.26
2.4.29-1ubuntu4.27
2.4.29-1ubuntu4.27+esm1
2.4.29-1ubuntu4.27+esm2
2.4.29-1ubuntu4.27+esm3
2.4.29-1ubuntu4.27+esm4
2.4.29-1ubuntu4.27+esm6
2.4.29-1ubuntu4.27+esm7
2.4.29-1ubuntu4.27+esm8
2.4.29-1ubuntu4.27+esm9
2.4.29-1ubuntu4.27+esm10
2.4.29-1ubuntu4.27+esm11

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "apache2",
            "binary_version":  "2.4.29-1ubuntu4.27+esm11"
        },
        {
            "binary_name":  "apache2-bin",
            "binary_version":  "2.4.29-1ubuntu4.27+esm11"
        },
        {
            "binary_name":  "apache2-data",
            "binary_version":  "2.4.29-1ubuntu4.27+esm11"
        },
        {
            "binary_name":  "apache2-suexec-custom",
            "binary_version":  "2.4.29-1ubuntu4.27+esm11"
        },
        {
            "binary_name":  "apache2-suexec-pristine",
            "binary_version":  "2.4.29-1ubuntu4.27+esm11"
        },
        {
            "binary_name":  "apache2-utils",
            "binary_version":  "2.4.29-1ubuntu4.27+esm11"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42356.json"
Ubuntu:Pro:20.04:LTS
apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra%2Ffocal

Affected ranges

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

Affected versions

2.*
2.4.41-1ubuntu1
2.4.41-4ubuntu1
2.4.41-4ubuntu2
2.4.41-4ubuntu3
2.4.41-4ubuntu3.1
2.4.41-4ubuntu3.3
2.4.41-4ubuntu3.4
2.4.41-4ubuntu3.5
2.4.41-4ubuntu3.6
2.4.41-4ubuntu3.7
2.4.41-4ubuntu3.8
2.4.41-4ubuntu3.9
2.4.41-4ubuntu3.10
2.4.41-4ubuntu3.11
2.4.41-4ubuntu3.12
2.4.41-4ubuntu3.13
2.4.41-4ubuntu3.14
2.4.41-4ubuntu3.15
2.4.41-4ubuntu3.16
2.4.41-4ubuntu3.17
2.4.41-4ubuntu3.19
2.4.41-4ubuntu3.20
2.4.41-4ubuntu3.21
2.4.41-4ubuntu3.23
2.4.41-4ubuntu3.23+esm2
2.4.41-4ubuntu3.23+esm3
2.4.41-4ubuntu3.23+esm4
2.4.41-4ubuntu3.23+esm5
2.4.41-4ubuntu3.23+esm6
2.4.41-4ubuntu3.23+esm7

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "apache2",
            "binary_version":  "2.4.41-4ubuntu3.23+esm7"
        },
        {
            "binary_name":  "apache2-bin",
            "binary_version":  "2.4.41-4ubuntu3.23+esm7"
        },
        {
            "binary_name":  "apache2-data",
            "binary_version":  "2.4.41-4ubuntu3.23+esm7"
        },
        {
            "binary_name":  "apache2-suexec-custom",
            "binary_version":  "2.4.41-4ubuntu3.23+esm7"
        },
        {
            "binary_name":  "apache2-suexec-pristine",
            "binary_version":  "2.4.41-4ubuntu3.23+esm7"
        },
        {
            "binary_name":  "apache2-utils",
            "binary_version":  "2.4.41-4ubuntu3.23+esm7"
        },
        {
            "binary_name":  "libapache2-mod-md",
            "binary_version":  "2.4.41-4ubuntu3.23+esm7"
        },
        {
            "binary_name":  "libapache2-mod-proxy-uwsgi",
            "binary_version":  "2.4.41-4ubuntu3.23+esm7"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42356.json"