USN-7739-1

Greg Kuechle discovered that Bind incorrectly handled certain incremental zone updates. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2021-25214)

Siva Kakarla discovered that Bind incorrectly handled certain DNAME records. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2021-25215)

It was discovered that Bind incorrectly handled GSSAPI security policy negotiation. A remote attacker could use this issue to cause Bind to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-25216)

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

{
    "binaries": [
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm13",
            "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"
        }
    ],
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}