Description
While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an assertion failure in buffer.c:420. Affects RedHat versions bind-9.9.4-65.el7 -> bind-9.9.4-72.el7. No ISC releases are affected. Other packages from other distributions who made the same error may also be affected.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| RedHat | BIND9 | RedHat BIND9 bind-9.9.4-65.el7 -> bind-9.9.4-72.el7 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | bind +13 | 32:9.9.4-73.el7_6 | RHSA-2019:0194 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | bind +13 | 32:9.9.4-73.amzn2.1.1 | ALAS2-2019-1170 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | bind +13 | 32:9.9.4-73.el7_6 | ELSA-2019-0194 |
Advisories 3
- RHSA-2019:0194 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- ALAS2-2019-1170 Moderate: bind security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 8, 2019
- ELSA-2019-0194 Moderate: bind security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 30, 2019