UBUNTU-CVE-2021-25215

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Source

https://ubuntu.com/security/CVE-2021-25215

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-25215.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-25215

Upstream

CVE-2021-25215

Downstream

USN-4929-1

USN-7739-1

Related

Published

2021-04-28T00:00:00Z

Modified

2025-09-08T16:47:00Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.

References

Affected packages

Ubuntu:Pro:14.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm13?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.9.5.dfsg-3ubuntu0.19+esm13

Affected versions

1:9.*

1:9.9.3.dfsg.P2-4ubuntu1

1:9.9.3.dfsg.P2-4ubuntu2

1:9.9.3.dfsg.P2-4ubuntu3

1:9.9.5.dfsg-2

1:9.9.5.dfsg-3

1:9.9.5.dfsg-3ubuntu0.1

1:9.9.5.dfsg-3ubuntu0.2

1:9.9.5.dfsg-3ubuntu0.3

1:9.9.5.dfsg-3ubuntu0.4

1:9.9.5.dfsg-3ubuntu0.5

1:9.9.5.dfsg-3ubuntu0.6

1:9.9.5.dfsg-3ubuntu0.7

1:9.9.5.dfsg-3ubuntu0.8

1:9.9.5.dfsg-3ubuntu0.9

1:9.9.5.dfsg-3ubuntu0.10

1:9.9.5.dfsg-3ubuntu0.11

1:9.9.5.dfsg-3ubuntu0.12

1:9.9.5.dfsg-3ubuntu0.13

1:9.9.5.dfsg-3ubuntu0.14

1:9.9.5.dfsg-3ubuntu0.15

1:9.9.5.dfsg-3ubuntu0.16

1:9.9.5.dfsg-3ubuntu0.17

1:9.9.5.dfsg-3ubuntu0.18

1:9.9.5.dfsg-3ubuntu0.19

1:9.9.5.dfsg-3ubuntu0.19+esm1

1:9.9.5.dfsg-3ubuntu0.19+esm2

1:9.9.5.dfsg-3ubuntu0.19+esm3

1:9.9.5.dfsg-3ubuntu0.19+esm4

1:9.9.5.dfsg-3ubuntu0.19+esm5

1:9.9.5.dfsg-3ubuntu0.19+esm6

1:9.9.5.dfsg-3ubuntu0.19+esm7

1:9.9.5.dfsg-3ubuntu0.19+esm9

1:9.9.5.dfsg-3ubuntu0.19+esm10

1:9.9.5.dfsg-3ubuntu0.19+esm11

1:9.9.5.dfsg-3ubuntu0.19+esm12

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "bind9",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "bind9-host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "bind9utils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "dnsutils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "libbind-dev",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "libbind9-90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "libdns100",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "libisc95",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "libisccc90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "libisccfg90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "liblwres90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        },
        {
            "binary_name": "lwresd",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13"
        }
    ]
}

Ubuntu:16.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.19?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.10.3.dfsg.P4-8ubuntu1.19

Affected versions

1:9.*

1:9.9.5.dfsg-11ubuntu1

1:9.9.5.dfsg-12

1:9.9.5.dfsg-12.1

1:9.9.5.dfsg-12.1ubuntu1

1:9.10.3.dfsg.P2-4

1:9.10.3.dfsg.P2-5

1:9.10.3.dfsg.P4-3

1:9.10.3.dfsg.P4-4

1:9.10.3.dfsg.P4-5

1:9.10.3.dfsg.P4-8

1:9.10.3.dfsg.P4-8ubuntu1

1:9.10.3.dfsg.P4-8ubuntu1.1

1:9.10.3.dfsg.P4-8ubuntu1.2

1:9.10.3.dfsg.P4-8ubuntu1.3

1:9.10.3.dfsg.P4-8ubuntu1.4

1:9.10.3.dfsg.P4-8ubuntu1.5

1:9.10.3.dfsg.P4-8ubuntu1.6

1:9.10.3.dfsg.P4-8ubuntu1.7

1:9.10.3.dfsg.P4-8ubuntu1.8

1:9.10.3.dfsg.P4-8ubuntu1.9

1:9.10.3.dfsg.P4-8ubuntu1.10

1:9.10.3.dfsg.P4-8ubuntu1.11

1:9.10.3.dfsg.P4-8ubuntu1.12

1:9.10.3.dfsg.P4-8ubuntu1.14

1:9.10.3.dfsg.P4-8ubuntu1.15

1:9.10.3.dfsg.P4-8ubuntu1.16

1:9.10.3.dfsg.P4-8ubuntu1.17

1:9.10.3.dfsg.P4-8ubuntu1.18

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "bind9",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "bind9-host",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "bind9utils",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "dnsutils",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "host",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libbind-dev",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libbind-export-dev",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libbind9-140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libdns-export162",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libdns162",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libirs-export141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libirs141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libisc-export160",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libisc160",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libisccc-export140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libisccc140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libisccfg-export140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "libisccfg140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "liblwres141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        },
        {
            "binary_name": "lwresd",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19"
        }
    ]
}

Ubuntu:18.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.15?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.11.3+dfsg-1ubuntu1.15

Affected versions

1:9.*

1:9.10.3.dfsg.P4-12.6ubuntu1

1:9.11.2.P1-1ubuntu2

1:9.11.2.P1-1ubuntu3

1:9.11.2.P1-1ubuntu4

1:9.11.2.P1-1ubuntu5

1:9.11.3+dfsg-1ubuntu1

1:9.11.3+dfsg-1ubuntu1.1

1:9.11.3+dfsg-1ubuntu1.2

1:9.11.3+dfsg-1ubuntu1.3

1:9.11.3+dfsg-1ubuntu1.5

1:9.11.3+dfsg-1ubuntu1.7

1:9.11.3+dfsg-1ubuntu1.8

1:9.11.3+dfsg-1ubuntu1.9

1:9.11.3+dfsg-1ubuntu1.10

1:9.11.3+dfsg-1ubuntu1.11

1:9.11.3+dfsg-1ubuntu1.12

1:9.11.3+dfsg-1ubuntu1.13

1:9.11.3+dfsg-1ubuntu1.14

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "bind9",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "bind9-host",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "bind9utils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "dnsutils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libbind-dev",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libbind-export-dev",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libbind9-160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libdns-export1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libdns1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libirs-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libirs160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libisc-export169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libisc169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libisccc-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libisccc160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libisccfg-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "libisccfg160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        },
        {
            "binary_name": "liblwres160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.15"
        }
    ]
}

Ubuntu:20.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.8?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.16.1-0ubuntu2.8

Affected versions

1:9.*

1:9.11.5.P4+dfsg-5.1ubuntu2

1:9.11.5.P4+dfsg-5.1ubuntu3

1:9.11.5.P4+dfsg-5.1ubuntu4

1:9.11.5.P4+dfsg-5.1ubuntu5

1:9.11.14+dfsg-1ubuntu1

1:9.11.14+dfsg-3ubuntu1

1:9.16.0-1ubuntu3

1:9.16.0-1ubuntu4

1:9.16.0-1ubuntu5

1:9.16.1-0ubuntu1

1:9.16.1-0ubuntu2

1:9.16.1-0ubuntu2.1

1:9.16.1-0ubuntu2.2

1:9.16.1-0ubuntu2.3

1:9.16.1-0ubuntu2.4

1:9.16.1-0ubuntu2.6

1:9.16.1-0ubuntu2.7

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "bind9",
            "binary_version": "1:9.16.1-0ubuntu2.8"
        },
        {
            "binary_name": "bind9-dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.8"
        },
        {
            "binary_name": "bind9-host",
            "binary_version": "1:9.16.1-0ubuntu2.8"
        },
        {
            "binary_name": "bind9-libs",
            "binary_version": "1:9.16.1-0ubuntu2.8"
        },
        {
            "binary_name": "bind9-utils",
            "binary_version": "1:9.16.1-0ubuntu2.8"
        },
        {
            "binary_name": "bind9utils",
            "binary_version": "1:9.16.1-0ubuntu2.8"
        },
        {
            "binary_name": "dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.8"
        }
    ]
}