CVE-2025-13878

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

21/01/2026

Last modified:

21/01/2026

Description

Malformed BRID/HHIT records can cause `named` to terminate unexpectedly.<br /> 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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

References to Advisories, Solutions, and Tools

https://downloads.isc.org/isc/bind9/9.18.44
https://downloads.isc.org/isc/bind9/9.20.18
https://downloads.isc.org/isc/bind9/9.21.17
https://kb.isc.org/docs/cve-2025-13878
http://www.openwall.com/lists/oss-security/2026/01/21/3