CVE-2025-13878 HIGH

CVE-2025-13878: Malformed BRID/HHIT records can cause named to terminate unexpectedly

Vendor Isc

Product BIND 9

Weakness CWE-617

Published January 21, 2026

Last update June 30, 2026

View on NVD All CVEs

CVSS base score

7.5/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality None

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 21, 2026 CVE published

June 30, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-13878 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/617.html

Identifiers

CVE CVE-2025-13878

CWE CWE-617

CVSS 7.5 / HIGH

Affected versions

Vendor Isc

Product BIND 9

Affected ≥ 9.18.40 and ≤ 9.18.43

Vendor Isc

Product BIND 9

Affected ≥ 9.20.13 and ≤ 9.20.17

Vendor Isc

Product BIND 9

Affected ≥ 9.21.12 and ≤ 9.21.16

Vendor Isc

Product BIND 9

Affected ≥ 9.18.40-S1 and ≤ 9.18.43-S1

Vendor Isc

Product BIND 9

Affected ≥ 9.20.13-S1 and ≤ 9.20.17-S1