https://seclists.org/oss-sec/2025/q4/68: ISC has disclosed the vulnerabilities in BIND 9 (CVE-2025-8677, CVE-2025-40778, CVE-2025-40780)

Published Oct 22, 2025
·
Updated

Affected Software

1 affected component
Internet Systems Consortium BIND 9
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Frequently Asked Questions

1

What is the severity of CVE-2025-8677?

CVE-2025-8677 is classified as a high severity vulnerability due to its potential for resource exhaustion in BIND 9.

2

How do I fix CVE-2025-8677?

To fix CVE-2025-8677, upgrade to the latest version of BIND 9 as recommended by the Internet Systems Consortium.

3

What is CVE-2025-40778 related to?

CVE-2025-40778 is related to cache poisoning attacks resulting from the acceptance of unsolicited resource records.

4

How can I mitigate CVE-2025-40778 in BIND 9?

Mitigation for CVE-2025-40778 involves applying patches provided by ISC and reviewing DNS security configurations.

5

What might happen if I ignore CVE-2025-40780?

Ignoring CVE-2025-40780 can lead to negative impacts on the integrity of DNS responses, allowing potential exploitation.

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