# CVE-2019-6477: bind: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols

CVE-2019-6477 is fixed in 33 products on 1 platform, first by bind9 1:9.11.3+dfsg-1ubuntu1.11, released November 19, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-6477
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0413
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 19, 2019

## Description

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.  The following packages have been upgraded to a later upstream version: bind (9.11.13). (BZ#1704328)  Security Fix(es):  * bind: TCP Pipelining doesn't limit TCP clients on a single connection (CVE-2019-6477)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.2 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bind RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-chroot RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-chroot ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-devel RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-devel ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-export-devel RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-export-devel ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-export-libs RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-export-libs ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-libs RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-libs ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-libs-lite RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-libs-lite ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-license RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-license ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-lite-devel RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-lite-devel ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-pkcs11 RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-pkcs11 ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-pkcs11-devel RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-pkcs11-devel ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-pkcs11-libs RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-pkcs11-libs ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-pkcs11-utils RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-pkcs11-utils ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-sdb RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-sdb ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-sdb-chroot RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-sdb-chroot ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind-utils RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | bind-utils ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |
| Linux | bind9 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [bind9 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bind9-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | bind9-host Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [bind9-host 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bind9-host-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | bind9utils Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [bind9utils 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bind9utils-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | dnsutils Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [dnsutils 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dnsutils-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libbind9-160 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libbind9-160 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libbind9-160-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libdns-export1100 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libdns-export1100 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libdns-export1100-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libdns1100 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libdns1100 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libdns1100-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libirs-export160 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libirs-export160 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libirs-export160-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libirs160 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libirs160 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libirs160-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libisc-export169 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libisc-export169 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libisc-export169-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libisc169 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libisc169 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libisc169-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libisccc-export160 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libisccc-export160 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libisccc-export160-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libisccc160 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libisccc160 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libisccc160-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libisccfg-export160 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libisccfg-export160 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libisccfg-export160-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | libisccfg160 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [libisccfg160 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libisccfg160-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | liblwres160 Ubuntu 18.04.6 LTS (bionic) | 1:9.11.3+dfsg-1ubuntu1.11 | [liblwres160 1:9.11.3+dfsg-1ubuntu1.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblwres160-1-9.11.3-dfsg-1ubuntu1.11.md) | Nov 19, 2019 |
| Linux | python3-bind RHEL 8 | 32:9.11.13-3.el8 | [RHSA-2020:1845](https://patchblox.com/security/data/fix/linux/rhsa-2020-1845.md) | Apr 28, 2020 |
| Linux | python3-bind ol 8 | 32:9.11.13-3.el8 | [ELSA-2020-1845](https://patchblox.com/security/data/fix/linux/elsa-2020-1845.md) | May 5, 2020 |

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