USN-6933-1

Source
https://ubuntu.com/security/notices/USN-6933-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6933-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6933-1
Upstream
CVE (3)
Related
Published
2024-07-31T08:17:56Z
Modified
2026-02-10T04:44:43Z
Summary
clickhouse vulnerabilities
Details

It was discovered that ClickHouse incorrectly handled memory, leading to a heap out-of-bounds data read. An attacker could possibly use this issue to cause a denial of service, or leak sensitive information. (CVE-2021-42387, CVE-2021-41388)

It was discovered that ClickHouse incorrectly handled memory, leading to a heap-based buffer overflow. An attacker could possibly use this issue to cause a denial of service, or execute arbitrary code. (CVE-2021-43305)

References

Affected packages

Ubuntu:20.04:LTS / clickhouse

Package

Name
clickhouse
Purl
pkg:deb/ubuntu/clickhouse@18.16.1+ds-7ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
18.16.1+ds-7ubuntu0.1

Affected versions

18.*
18.16.1+ds-5
18.16.1+ds-5ubuntu1
18.16.1+ds-5ubuntu2
18.16.1+ds-6ubuntu1
18.16.1+ds-7

Ecosystem specific

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "clickhouse-client",
            "binary_version":  "18.16.1+ds-7ubuntu0.1"
        },
        {
            "binary_name":  "clickhouse-common",
            "binary_version":  "18.16.1+ds-7ubuntu0.1"
        },
        {
            "binary_name":  "clickhouse-server",
            "binary_version":  "18.16.1+ds-7ubuntu0.1"
        },
        {
            "binary_name":  "clickhouse-tools",
            "binary_version":  "18.16.1+ds-7ubuntu0.1"
        }
    ]
}

Database specific

cves_map
{
    "cves":  [
        {
            "id":  "CVE-2021-42387",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2021-42388",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        },
        {
            "id":  "CVE-2021-43305",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:20.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6933-1.json"