Malformed BRID/HHIT records can cause `named` to terminate unexpectedly. This issue affects BIND 9 versions 9.18.40 through 9.18.43, 9.20.13 through 9.20.17, 9.21.12 through 9.21.16, 9.18.40-S1 through 9.18.43-S1, and 9.20.13-S1 through 9.20.17-S1.
https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-13878.json
https://kb.isc.org/docs/cve-2025-13878
https://downloads.isc.org/isc/bind9/9.21.17
https://downloads.isc.org/isc/bind9/9.20.18
https://downloads.isc.org/isc/bind9/9.18.44
https://bugzilla.redhat.com/show_bug.cgi?id=2431600
https://access.redhat.com/security/cve/CVE-2025-13878