USN-5126-2

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Source
https://ubuntu.com/security/notices/USN-5126-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5126-2.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5126-2
Upstream
Related
Published
2021-10-28T18:25:41.707929Z
Modified
2025-07-16T08:54:43.257287Z
Summary
bind9 vulnerability
Details

USN-5126-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Kishore Kumar Kothapalli discovered that Bind incorrectly handled the lame cache when processing responses. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / bind9

Package

Name
bind9
Purl
pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm5?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.9.5.dfsg-3ubuntu0.19+esm5

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "bind9",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "bind9-doc",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "bind9-host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "bind9utils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "dnsutils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "libbind-dev",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "libbind9-90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "libdns100",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "libisc95",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "libisccc90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "libisccfg90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "liblwres90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        },
        {
            "binary_name": "lwresd",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm5"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / bind9

Package

Name
bind9
Purl
pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.19+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.10.3.dfsg.P4-8ubuntu1.19+esm1

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "bind9",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "bind9-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "bind9-doc",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "bind9-host",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "bind9-host-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "bind9utils",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "bind9utils-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "dnsutils",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "dnsutils-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "host",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libbind-dev",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libbind-export-dev",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libbind9-140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libbind9-140-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libdns-export162",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libdns-export162-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libdns-export162-udeb",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libdns-export162-udeb-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libdns162",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libdns162-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libirs-export141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libirs-export141-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libirs-export141-udeb",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libirs-export141-udeb-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libirs141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libirs141-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisc-export160",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisc-export160-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisc-export160-udeb",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisc-export160-udeb-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisc160",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisc160-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccc-export140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccc-export140-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccc-export140-udeb",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccc-export140-udeb-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccc140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccc140-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccfg-export140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccfg-export140-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccfg-export140-udeb",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccfg-export140-udeb-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccfg140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "libisccfg140-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "liblwres141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "liblwres141-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "lwresd",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        },
        {
            "binary_name": "lwresd-dbgsym",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}