USN-8589-1

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Source
https://ubuntu.com/security/notices/USN-8589-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8589-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8589-1
Upstream
Related
Published
2026-07-22T16:41:46Z
Modified
2026-07-23T01:29:27.250369150Z
Summary
apache2 vulnerabilities
Details

It was discovered that Apache HTTP Server's mod_ldap module incorrectly handled memory when processing per-directory configurations. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-29167)

It was discovered that Apache HTTP Server's modproxyftp module incorrectly handled HTML generation for FTP directory listings. A remote attacker could possibly use this issue to inject arbitrary web script or HTML. (CVE-2026-29170)

Nitescu Lucian discovered that Apache HTTP Server's modauthdigest module was vulnerable to a timing attack. A remote attacker could possibly use this issue to bypass Digest authentication. (CVE-2026-33006)

References

Affected packages

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
0Unknown introduced version / All previous versions are affected
Fixed
2.4.7-1ubuntu4.22+esm15

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

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "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/usn/USN-8589-1.json"
cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-29167",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-29170",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-33006",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}

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
0Unknown introduced version / All previous versions are affected
Fixed
2.4.18-2ubuntu3.17+esm20

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

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "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/usn/USN-8589-1.json"
cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-29167",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-29170",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-33006",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

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
0Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+esm11

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

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "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/usn/USN-8589-1.json"
cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-29167",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-29170",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-33006",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}

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
0Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+esm6

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

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "apache2",
            "binary_version": "2.4.41-4ubuntu3.23+esm6"
        },
        {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.41-4ubuntu3.23+esm6"
        },
        {
            "binary_name": "apache2-data",
            "binary_version": "2.4.41-4ubuntu3.23+esm6"
        },
        {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.41-4ubuntu3.23+esm6"
        },
        {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.41-4ubuntu3.23+esm6"
        },
        {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.41-4ubuntu3.23+esm6"
        },
        {
            "binary_name": "libapache2-mod-md",
            "binary_version": "2.4.41-4ubuntu3.23+esm6"
        },
        {
            "binary_name": "libapache2-mod-proxy-uwsgi",
            "binary_version": "2.4.41-4ubuntu3.23+esm6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8589-1.json"
cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-29167",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-29170",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-33006",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}