Unexpected Termination Vulnerability in BIND by ISC

CVE-2025-13878

What is CVE-2025-13878?

CVE-2025-13878 is a vulnerability affecting the BIND (Berkeley Internet Name Domain) software, a widely used DNS (Domain Name System) server maintained by the Internet Systems Consortium (ISC). This vulnerability arises from the handling of malformed BRID/HHIT records, which can lead to the unexpected termination of the named process, the core component of the BIND software. A successful exploitation of this vulnerability can disrupt DNS services, impacting the availability and reliability of essential network functions. Organizations relying on BIND for DNS resolution may experience downtime, which could lead to operational disruptions, loss of revenue, and diminished trust from customers and stakeholders.

Potential impact of CVE-2025-13878

1. Service Disruption: The unexpected termination of the named process can result in DNS service outages, affecting the ability of clients and applications to resolve domain names to IP addresses efficiently. This disruption can severely impact web and application accessibility.

2. Increased Attack Surface: The vulnerability could be leveraged by threat actors to launch further attacks, taking advantage of the instability caused by DNS service disruptions to execute other malicious activities, such as denial-of-service attacks.

3. Reputational Damage: Organizations experiencing downtime or service issues due to this vulnerability may face reputational harm, leading to a loss of customer confidence and a potential decline in business, particularly in competitive sectors that rely heavily on online services.

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