Description
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.
References (5)
Core 5
Core References
Various Sources vendor-advisory
https://kb.isc.org/docs/cve-2025-13878
Various Sources patch
https://downloads.isc.org/isc/bind9/9.18.44
Various Sources patch
https://downloads.isc.org/isc/bind9/9.20.18
Various Sources patch
https://downloads.isc.org/isc/bind9/9.21.17
Scores
CVSS v3
7.5
EPSS
0.0801
EPSS Percentile
94.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-617
Status
published
Products (5)
ISC/BIND 9
9.18.40 - 9.18.43
ISC/BIND 9
9.18.40-S1 - 9.18.43-S1
ISC/BIND 9
9.20.13 - 9.20.17
ISC/BIND 9
9.20.13-S1 - 9.20.17-S1
ISC/BIND 9
9.21.12 - 9.21.16
Published
Jan 21, 2026
Tracked Since
Feb 18, 2026