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

Published Jan 21, 2026
·
Updated

An attacker can cause named to crash by sending a request that results in a corrupt or malicious record.

- Authoritative servers are affected by this vulnerability.

- Resolvers are affected by this vulnerability.

Other sources

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.

NVD

Affected Software

1 affected component
ISC BIND 9>=9.18.40<=9.18.43, >=9.20.13<=9.20.17, >=9.21.12<=9.21.16, >=9.18.40-S1<=9.18.43-S1, >=9.20.13-S1<=9.20.17-S1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade isc/bind to a version that resolves this vulnerability.

    Fixed in 9.18.44
  2. Upgrade

    Upgrade isc/bind to a version that resolves this vulnerability.

    Fixed in 9.20.18
  3. Upgrade

    Upgrade isc/bind to a version that resolves this vulnerability.

    Fixed in 9.21.17
  4. Upgrade

    Upgrade isc/bind to a version that resolves this vulnerability.

    Fixed in 9.18.44-S1
  5. Upgrade

    Upgrade isc/bind to a version that resolves this vulnerability.

    Fixed in 9.20.18-S1

Event History

Jan 21, 2026
Data Sourced
via Red Hat·01:47 PM
DescriptionSeverityAffected Software
CVE Published
via MITRE·02:43 PM
Data Sourced
via MITRE·02:43 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-13878?

CVE-2025-13878 has a medium severity as it can cause the named service to terminate unexpectedly.

2

How do I fix CVE-2025-13878?

To resolve CVE-2025-13878, upgrade BIND 9 to a version that is not affected, such as 9.18.44 or 9.20.18.

3

What versions of BIND 9 are affected by CVE-2025-13878?

CVE-2025-13878 affects BIND 9 versions 9.18.40 to 9.18.43, 9.20.13 to 9.20.17, and 9.21.12 to 9.21.16.

4

What are the potential impacts of CVE-2025-13878?

The impact of CVE-2025-13878 includes unexpected termination of the named service, potentially disrupting DNS resolution.

5

Is there a workaround for CVE-2025-13878?

There are no known workarounds for CVE-2025-13878; upgrading to a patched version is the recommended solution.

Contact

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