ISC BIND up to 9.21.16 BRID/HHIT assertion

Summaryinfo

A vulnerability categorized as problematic has been discovered in ISC BIND up to 9.18.43/9.18.43-S1/9.20.17/9.20.17-S1/9.21.16. Affected is an unknown function of the component BRID/HHIT. Executing a manipulation can lead to assertion. The identification of this vulnerability is CVE-2025-13878. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in ISC BIND up to 9.18.43/9.18.43-S1/9.20.17/9.20.17-S1/9.21.16. This vulnerability affects an unknown functionality of the component BRID/HHIT. The manipulation with an unknown input leads to a assertion vulnerability. The CWE definition for the vulnerability is CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. As an impact it is known to affect availability. CVE summarizes:

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.

The advisory is available at kb.isc.org. This vulnerability was named CVE-2025-13878 since 12/02/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 294904 (Linux Distros Unpatched Vulnerability : CVE-2025-13878), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.18.44, 9.20.18 or 9.21.17 eliminates this vulnerability. The upgrade is hosted for download at downloads.isc.org.

The vulnerability is also documented in the databases at Tenable (294904), EUVD (EUVD-2026-3599) and CERT Bund (WID-SEC-2026-0188). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• Internet Systems Consortium BIND

Productinfo

Type

• Domain Name Software

Vendor

• ISC

Name

• BIND

Version

• 9.18.0
• 9.18.1
• 9.18.2
• 9.18.3
• 9.18.4
• 9.18.5
• 9.18.6
• 9.18.7
• 9.18.8
• 9.18.9
• 9.18.10
• 9.18.11
• 9.18.12
• 9.18.13
• 9.18.14
• 9.18.15
• 9.18.16
• 9.18.17
• 9.18.18
• 9.18.19
• 9.18.20
• 9.18.21
• 9.18.22
• 9.18.23
• 9.18.24
• 9.18.25
• 9.18.26
• 9.18.27
• 9.18.28
• 9.18.29
• 9.18.30
• 9.18.31
• 9.18.32
• 9.18.33
• 9.18.34
• 9.18.35
• 9.18.36
• 9.18.37
• 9.18.38
• 9.18.39
• 9.18.40
• 9.18.41
• 9.18.42
• 9.18.43
• 9.18.43-S1
• 9.20.0
• 9.20.1
• 9.20.2
• 9.20.3
• 9.20.4
• 9.20.5
• 9.20.6
• 9.20.7
• 9.20.8
• 9.20.9
• 9.20.10
• 9.20.11
• 9.20.12
• 9.20.13
• 9.20.14
• 9.20.15
• 9.20.16
• 9.20.17
• 9.20.17-S1
• 9.21.0
• 9.21.1
• 9.21.2
• 9.21.3
• 9.21.4
• 9.21.5
• 9.21.6
• 9.21.7
• 9.21.8
• 9.21.9
• 9.21.10
• 9.21.11
• 9.21.12
• 9.21.13
• 9.21.14
• 9.21.15
• 9.21.16

License

• open-source

Website

• Vendor: https://www.isc.org/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

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Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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