CVE-2026-3119
Fixed in a distro release EPSS <1%CVSS 6.5
Under certain conditions, `named` may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the `named` configuration. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.
Products: ISC BIND 9
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.22 | bind | 9.20.21-r0 |
| Alpine 3.23 | bind | 9.20.21-r0 |
| Alpine 3.24 | bind | 9.20.21-r0 |
| Debian 13 | bind9 | 1:9.20.21-1~deb13u1 |
| Debian 14 | bind9 | 1:9.20.21-1 |
| Red Hat hummingbird 1 | bind | 0:9.18.48-1.hum1 |
| Red Hat hummingbird 1 | bind-chroot | 0:9.18.48-1.hum1 |
| Red Hat hummingbird 1 | bind-devel | 0:9.18.48-1.hum1 |
| Red Hat hummingbird 1 | bind-dnssec-utils | 0:9.18.48-1.hum1 |
| Red Hat hummingbird 1 | bind-doc | 0:9.18.48-1.hum1 |
| Red Hat hummingbird 1 | bind-libs | 0:9.18.48-1.hum1 |
| Red Hat hummingbird 1 | bind-utils | 0:9.18.48-1.hum1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | bind | 9.20.21-150700.3.18.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP7 | bind | 9.20.21-150700.3.18.1 |
| SUSE Linux Enterprise Server 16.0 | bind | 9.20.21-160000.1.1 |
| SUSE Linux Enterprise Server for SAP applications 16.0 | bind | 9.20.21-160000.1.1 |
| Ubuntu 18.04 LTS | isc-dhcp | no fix |
| Ubuntu 20.04 LTS | bind9-libs | no fix |
| Ubuntu 22.04 LTS | bind9 | 1:9.18.39-0ubuntu0.22.04.3 |
| Ubuntu 22.04 LTS | bind9-libs | no fix |
| Ubuntu 24.04 LTS | bind9 | 1:9.18.39-0ubuntu0.24.04.3 |
| Ubuntu 24.04 LTS | isc-dhcp | no fix |
| Ubuntu 25.10 | bind9 | 1:9.20.11-1ubuntu2.2 |
| Ubuntu 25.10 | isc-dhcp | no fix |
| Ubuntu 26.04 LTS | isc-dhcp | no fix |
| openSUSE Leap 16.0 | bind | 9.20.21-160000.1.1 |
| openSUSE Tumbleweed | bind | 9.20.21-1.1 |