Description
The underlying bug might cause read past end of the buffer and either read memory it should not read, or crash the process.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ISC | BIND9 | Open Source Branch 9.18 9.18.0 through versions before 9.18.7, Development Branch 9.19 9.19.0 through versions before 9.19.5 | — |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | bind9 | 1:9.18.7-1 | — |
| Debian 13 | bind9 | 1:9.18.7-1 | — |
| Debian 12 | bind9 | 1:9.18.7-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | bind9 | 1:9.18.1-1ubuntu1.2 | USN-5626-1 |
| Ubuntu 20.04 LTS | bind9 | 1:9.16.1-0ubuntu2.11 | USN-5626-1 |
| Ubuntu 18.04 LTS | bind9 | 1:9.11.3+dfsg-1ubuntu1.18 | USN-5626-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | bind | 9.18.7-1.1 | openSUSE-SU-2024:12356-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | bind | 9.18.7-r0 | — |
| Alpine v3.23 | bind | 9.18.7-r0 | — |
| Alpine v3.22 | bind | 9.18.7-r0 | — |
| Alpine v3.21 | bind | 9.18.7-r0 | — |
| Alpine v3.20 | bind | 9.18.7-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | bind | 9.18.7-r0 | — |
| Alpine v3.18 | bind | 9.18.7-r0 | — |
| Alpine v3.17 | bind | 9.18.7-r0 | — |
| Alpine v3.16 | bind | 9.16.33-r0 | — |
| Alpine v3.15 | bind | 9.16.33-r0 | — |
| Alpine v3.14 | bind | 9.16.33-r0 | — |
| Alpine v3.13 | bind | 9.16.33-r0 | — |
Advisories 3
- USN-5626-1 bind9 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2024:12356-1 bind-9.18.7-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-1492 Internet Systems Consortium BIND: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Jan 6, 2026