USN-8792-1

It was discovered that Memcached incorrectly handled ASCII authentication. A remote attacker could possibly use this issue to cause Memcached to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:22.04:LTS / memcached

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

1.6.14-1ubuntu0.3

Affected versions

1.*

1.6.9+dfsg-1build1

1.6.12+dfsg-2ubuntu1

1.6.12+dfsg-3

1.6.12+dfsg-4

1.6.13-1

1.6.14-1

1.6.14-1ubuntu0.1

1.6.14-1ubuntu0.2

Ecosystem specific

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "memcached",
            "binary_version":  "1.6.14-1ubuntu0.3"
        }
    ]
}

Database specific

cves_map

{
    "cves":  [
        {
            "id":  "CVE-2026-90698",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:22.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8792-1.json"

Ubuntu:24.04:LTS / memcached

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

1.6.24-1ubuntu0.3

Affected versions

1.*

1.6.21-1

1.6.22-1

1.6.23-1

1.6.24-1build1

1.6.24-1build3

1.6.24-1ubuntu0.1

1.6.24-1ubuntu0.2

Ecosystem specific

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "memcached",
            "binary_version":  "1.6.24-1ubuntu0.3"
        }
    ]
}

Database specific

cves_map

{
    "cves":  [
        {
            "id":  "CVE-2026-90698",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:24.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8792-1.json"

Ubuntu:26.04:LTS / memcached

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

1.6.40-1ubuntu0.3

Affected versions

1.*

1.6.38-1build1

1.6.39-2

1.6.40-1

1.6.40-1ubuntu0.1

1.6.40-1ubuntu0.2

Ecosystem specific

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "memcached",
            "binary_version":  "1.6.40-1ubuntu0.3"
        }
    ]
}

Database specific

cves_map

{
    "cves":  [
        {
            "id":  "CVE-2026-90698",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type":  "CVSS_V4"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:26.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8792-1.json"