CVE-2026-10822
Fixed in a distro release EPSS <1%CVSS 6.5
If BIND encounters a particular invalid data structure in a DNS record, it will accept the invalid data, and may subsequently abort and exit. BIND will first need to store a DNS record for a key (KEY, DNSKEY, etc.). That key must specify a PRIVATEDNS algorithm (253), and in the algorithm identifier, improperly give a length longer than the actual identifier data. The invalid identifier will be stored. If BIND later needs to render that record to text, it will use the invalid length during processing, leading to a consistency check failing. This issue affects BIND 9 versions 9.18.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.18.11-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.
Products: ISC BIND 9
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.22 | bind | 9.20.26-r0 |
| Alpine 3.23 | bind | 9.20.26-r0 |
| Alpine 3.24 | bind | 9.20.26-r0 |
| Debian 12 | bind9 | 1:9.18.49-1~deb12u2 |
| Debian 13 | bind9 | 1:9.20.26-1~deb13u1 |
| Debian 14 | bind9 | 1:9.20.26-1 |
| Red Hat hummingbird 1 | bind | 0:9.20.26-0.1.hum1 |
| Red Hat hummingbird 1 | bind-chroot | 0:9.20.26-0.1.hum1 |
| Red Hat hummingbird 1 | bind-devel | 0:9.20.26-0.1.hum1 |
| Red Hat hummingbird 1 | bind-dnssec-utils | 0:9.20.26-0.1.hum1 |
| Red Hat hummingbird 1 | bind-doc | 0:9.20.26-0.1.hum1 |
| Red Hat hummingbird 1 | bind-libs | 0:9.20.26-0.1.hum1 |
| Red Hat hummingbird 1 | bind-utils | 0:9.20.26-0.1.hum1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | bind | 9.20.26-150700.3.29.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP7 | bind | 9.20.26-150700.3.29.1 |
| SUSE Linux Enterprise Server 15 SP6-LTSS | bind | 9.18.50-150600.3.32.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | bind | 9.18.50-150600.3.32.1 |
| Ubuntu 18.04 LTS | isc-dhcp | no fix |
| Ubuntu 20.04 LTS | bind9-libs | no fix |
| Ubuntu 22.04 LTS | bind9 | 1:9.18.39-0ubuntu0.22.04.7 |
| Ubuntu 22.04 LTS | bind9 | 1:9.18.39-0ubuntu0.22.04.5 |
| Ubuntu 22.04 LTS | bind9-libs | no fix |
| Ubuntu 24.04 LTS | bind9 | 1:9.18.39-0ubuntu0.24.04.6 |
| Ubuntu 24.04 LTS | bind9 | 1:9.18.39-0ubuntu0.24.04.8 |
| Ubuntu 24.04 LTS | isc-dhcp | no fix |
| Ubuntu 26.04 LTS | bind9 | 1:9.20.24-1ubuntu0.2 |
| Ubuntu 26.04 LTS | bind9 | 1:9.20.24-1ubuntu0.4 |
| Ubuntu 26.04 LTS | isc-dhcp | no fix |
| Ubuntu Pro 14.04 LTS | bind9 | 1:9.9.5.dfsg-3ubuntu0.19+esm15 |
| Ubuntu Pro 16.04 LTS | bind9 | 1:9.10.3.dfsg.P4-8ubuntu1.19+esm11 |
| Ubuntu Pro 18.04 LTS | bind9 | 1:9.11.3+dfsg-1ubuntu1.19+esm6 |
| Ubuntu Pro 20.04 LTS | bind9 | 1:9.18.30-0ubuntu0.20.04.2+esm3 |
| openSUSE Leap 16.0 | bind | 9.20.26-160000.1.1 |
| openSUSE Tumbleweed | bind | 9.20.26-1.1 |