CVE search results

1 – 10 of 153 results

Detailed view

Sort by:

CVE-2025-40777

Medium priority

Fixed

If a `named` caching resolver is configured with `serve-stale-enable` `yes`, and with `stale-answer-client-timeout` set to `0` (the only allowable value other than `disabled`), and if the resolver, in the process of resolving a...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Not affected	Not affected	Not affected	Not affected
isc-dhcp	Not affected	Not affected	Not affected	Not affected
bind9-libs	Not in release	Not affected	Not affected	—

CVE-2025-40776

Medium priority

Not affected

A `named` caching resolver that is configured to send ECS (EDNS Client Subnet) options may be vulnerable to a cache-poisoning attack. This issue affects BIND 9 versions 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.37-S1,...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Not affected	Not affected	Not affected	Not affected
isc-dhcp	Not affected	Not affected	Not affected	Not affected
bind9-libs	Not in release	Not affected	Not affected	—

CVE-2025-40775

Medium priority

Fixed

When an incoming DNS protocol message includes a Transaction Signature (TSIG), BIND always checks it. If the TSIG contains an invalid value in the algorithm field, BIND immediately aborts with an assertion failure. This issue...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Not affected	Not affected	Not affected	Not affected
isc-dhcp	Not affected	Not affected	Not affected	Not affected
bind9-libs	Not in release	Not affected	Not affected	—

CVE-2024-4076

Medium priority

Some fixes available 5 of 6

Client queries that trigger serving stale data and that also require lookups in local authoritative zone data may result in an assertion failure. This issue affects BIND 9 versions 9.16.13 through 9.16.50, 9.18.0 through 9.18.27,...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Fixed	Fixed	Fixed	Not affected
isc-dhcp	Not affected	Not affected	Not affected	Not affected
bind9-libs	Not in release	Not affected	Not affected	—

CVE-2024-1975

Medium priority

Some fixes available 7 of 14

If a server hosts a zone containing a “KEY” Resource Record, or a resolver DNSSEC-validates a “KEY” Resource Record from a DNSSEC-signed domain in cache, a client can exhaust resolver CPU resources by sending a stream of SIG(0)...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Fixed	Fixed	Fixed	Fixed
isc-dhcp	Needs evaluation	Not affected	Not affected	Needs evaluation
bind9-libs	Not in release	Needs evaluation	Needs evaluation	—

CVE-2024-1737

Medium priority

Some fixes available 7 of 14

Resolver caches and authoritative zone databases that hold significant numbers of RRs for the same hostname (of any RTYPE) can suffer from degraded performance as content is being added or updated, and also when handling client...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Fixed	Fixed	Fixed	Fixed
isc-dhcp	Needs evaluation	Not affected	Not affected	Needs evaluation
bind9-libs	Not in release	Needs evaluation	Needs evaluation	—

CVE-2024-12705

Medium priority

Some fixes available 5 of 14

Clients using DNS-over-HTTPS (DoH) can exhaust a DNS resolver’s CPU and/or memory by flooding it with crafted valid or invalid HTTP/2 traffic. This issue affects BIND 9 versions 9.18.0 through 9.18.32, 9.20.0 through 9.20.4,...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Fixed	Fixed	Fixed	Needs evaluation
isc-dhcp	Needs evaluation	Not affected	Not affected	Needs evaluation
bind9-libs	Not in release	Needs evaluation	Needs evaluation	—

CVE-2024-11187

Medium priority

Some fixes available 5 of 14

It is possible to construct a zone such that some queries to it will generate responses containing numerous records in the Additional section. An attacker sending many such queries can cause either the authoritative server itself...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Fixed	Fixed	Fixed	Needs evaluation
isc-dhcp	Needs evaluation	Not affected	Not affected	Needs evaluation
bind9-libs	Not in release	Needs evaluation	Needs evaluation	—

CVE-2024-0760

Medium priority

Some fixes available 5 of 11

A malicious client can send many DNS messages over TCP, potentially causing the server to become unstable while the attack is in progress. The server may recover after the attack ceases. Use of ACLs will not mitigate...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Fixed	Fixed	Fixed	Not affected
isc-dhcp	Needs evaluation	Not affected	Not affected	Needs evaluation
bind9-libs	Not in release	Needs evaluation	Needs evaluation	—

CVE-2023-6516

Medium priority

Some fixes available 1 of 2

To keep its cache database efficient, `named` running as a recursive resolver occasionally attempts to clean up the database. It uses several methods, including some that are asynchronous: a small chunk of memory pointing to the...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS
bind9	Not affected	Not affected	Fixed	Not affected
isc-dhcp	Not affected	Not affected	Not affected	Needs evaluation
bind9-libs	Not in release	Not affected	Not affected	Not in release

Export to JSON

Results by page:

Search CVE reports