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CVE-2025-13878 is a remotely exploitable denial-of-service vulnerability in ISC BIND 9. The flaw is caused by improper handling/parsing of malformed BRID and HHIT DNS records by the named daemon. A specially crafted malicious record or packet can cause named to terminate unexpectedly, resulting in loss of DNS service. The issue affects both authoritative servers and recursive resolvers. Reported affected versions are BIND 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.
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A remote, network-reachable denial-of-service vulnerability in ISC BIND 9 where malformed BRID/HHIT DNS records can cause the named daemon to terminate unexpectedly, resulting in DNS service outage.
Unknown (mentioned only as a navigation link title; no technical details provided in the content).
A high-severity remote denial-of-service vulnerability in ISC BIND 9 where malformed/corrupt BRID/HHIT DNS record handling can cause the named daemon to terminate (crash) when triggered remotely via a crafted request/packet.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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