USN-8384-1

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Source
https://ubuntu.com/security/notices/USN-8384-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8384-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8384-1
Upstream
Related
Published
2026-06-04T12:29:41Z
Modified
2026-06-04T23:03:41.668229326Z
Summary
apache2 vulnerability
Details

It was discovered that Apache HTTP Server incorrectly handled certain cookie headers in the HTTP/2 implementation. A remote attacker could possibly use this issue to cause Apache HTTP Server to consume excessive resources, resulting in a denial of service.

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
0Unknown introduced version / All previous versions are affected
Fixed
2.4.52-1ubuntu4.21

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.52-1ubuntu4.21",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.21",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.21",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.21",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.21",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.21",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.21",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.21",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8384-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-49975",
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:24.04:LTS / apache2

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.58-1ubuntu8.13

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.58-1ubuntu8.13",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.13",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.13",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.13",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.13",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.13",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.13",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.13",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8384-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-49975",
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:25.10 / apache2

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.64-1ubuntu3.5

Affected versions

2.*
2.4.63-1ubuntu1
2.4.63-1ubuntu3
2.4.64-1ubuntu2
2.4.64-1ubuntu3
2.4.64-1ubuntu3.2
2.4.64-1ubuntu3.3
2.4.64-1ubuntu3.4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.64-1ubuntu3.5",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.64-1ubuntu3.5",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.64-1ubuntu3.5",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.64-1ubuntu3.5",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.64-1ubuntu3.5",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.64-1ubuntu3.5",
            "binary_name": "apache2-utils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8384-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-49975",
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:26.04:LTS / apache2

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.66-2ubuntu2.2

Affected versions

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.66-2ubuntu2.2",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.66-2ubuntu2.2",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.66-2ubuntu2.2",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.66-2ubuntu2.2",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.66-2ubuntu2.2",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.66-2ubuntu2.2",
            "binary_name": "apache2-utils"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8384-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-49975",
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}