CVE-2020-8616

CVE-2020-8616 (ISC BIND): A denial-of-service exists due to failure to limit the number of fetches when processing referrals. A remote attacker can craft referrals to cause a recursing server to perform a very large number of fetches, degrading performance and enabling potential reflection attack...

CVE-2020-8617

CVE-2020-8617 involves ISC BIND and is triggered by a logic error in the TSIG validity check (tsig.c). A remote attacker who can guess or know the TSIG key name could cause the server to reach an inconsistent state or trigger an assertion failure, leading to a denial of service. Several connected...

CVE-2020-8619

CVE-2020-8619 affects ISC BIND9: versions 9.11.14–9.11.19, 9.14.9–9.14.12, and 9.16.0–9.16.3 are vulnerable. The root cause is an asterisk (*) in an empty non-terminal location in the DNS graph, which can trigger an assertion in rbtdb.c and cause denial of service. Exploitation would require zone...

CVE-2022-3094

CVE-2022-3094 affects ISC BIND and allows denial of service by flooding dynamic DNS UPDATE requests. A memory allocation occurs before ACL checks, and memory retained for accepted clients can exhaust resources; memory for non-permitted clients is released on rejection. The impact is a DoS (availa...

CVE-2023-6516

CVE-2023-6516 affects ISC BIND (named) as a denial-of-service vector via an out-of-memory condition in the cache-cleanup path when recursive queries trigger maintenance. The issue can allow memory usage to exceed max-cache-size, potentially causing DoS on vulnerable BIND 9 installations. Affected...

CVE-2020-8618

CVE-2020-8618 affects BIND. An assertion in rdataset.c can be incorrectly triggered by large zone transfers, allowing a remote attacker to deny service to clients. Public advisories confirm mitigation via upgrading to BIND 9.16.4+ (e.g., Arch Linux ASA-202006-13 lists 9.16.4-1 as the fix; upstrea...