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CVE-2024-4076
Medium prioritySome fixes available 4 of 9
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, bind9-libs, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Fixed | Fixed | Fixed | Not affected | Not affected |
| bind9-libs | Not in release | Needs evaluation | Needs evaluation | — | — |
| isc-dhcp | Needs evaluation | Not affected | Not affected | Needs evaluation | Not affected |
CVE-2024-1975
Medium prioritySome fixes available 6 of 12
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, bind9-libs, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Fixed | Fixed | Fixed | Fixed | Fixed |
| bind9-libs | Not in release | Needs evaluation | Needs evaluation | — | — |
| isc-dhcp | Needs evaluation | Not affected | Not affected | Needs evaluation | Not affected |
CVE-2024-1737
Medium prioritySome fixes available 6 of 12
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, bind9-libs, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Fixed | Fixed | Fixed | Fixed | Fixed |
| bind9-libs | Not in release | Needs evaluation | Needs evaluation | — | — |
| isc-dhcp | Needs evaluation | Not affected | Not affected | Needs evaluation | Not affected |
CVE-2024-0760
Medium prioritySome fixes available 4 of 9
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, bind9-libs, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Fixed | Fixed | Fixed | Not affected | Not affected |
| bind9-libs | Not in release | Needs evaluation | Needs evaluation | — | — |
| isc-dhcp | Needs evaluation | Not affected | Not affected | Needs evaluation | Not affected |
CVE-2023-5680
Medium priorityIf a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions...
2 affected packages
bind9, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Not affected | Not affected | Not affected | Not affected | Not affected |
| isc-dhcp | Not affected | Not affected | Not affected | Not affected | Not affected |
CVE-2023-6516
Medium prioritySome 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, bind9-libs, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Not affected | Not affected | Fixed | Not affected | Not affected |
| bind9-libs | Not in release | Not affected | Not affected | Not in release | Not in release |
| isc-dhcp | Not affected | Not affected | Not affected | Needs evaluation | Not affected |
CVE-2023-5679
Medium prioritySome fixes available 4 of 5
A bad interaction between DNS64 and serve-stale may cause `named` to crash with an assertion failure during recursive resolution, when both of these features are enabled. This issue affects BIND 9 versions 9.16.12 through 9.16.45,...
3 affected packages
bind9, bind9-libs, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Fixed | Fixed | Not affected | Not affected | Not affected |
| bind9-libs | Not in release | Not affected | Not affected | Not in release | Not in release |
| isc-dhcp | Not affected | Not affected | Not affected | Needs evaluation | Not affected |
CVE-2023-5517
Medium prioritySome fixes available 5 of 7
A flaw in query-handling code can cause `named` to exit prematurely with an assertion failure when: - `nxdomain-redirect <domain>;` is configured, and - the resolver receives a PTR query for an RFC 1918 address that would normally...
3 affected packages
bind9, bind9-libs, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Fixed | Fixed | Fixed | Needs evaluation | Not affected |
| bind9-libs | Not in release | Not affected | Not affected | Not in release | Not in release |
| isc-dhcp | Not affected | Not affected | Not affected | Not affected | Not affected |
CVE-2023-50868
Medium prioritySome fixes available 20 of 42
The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a denial of service (CPU consumption for SHA-1 computations) via DNSSEC responses in a random...
7 affected packages
bind9, bind9-libs, dnsmasq, isc-dhcp, knot-resolver...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Fixed | Fixed | Fixed | Fixed | Fixed |
| bind9-libs | Not in release | Needs evaluation | Needs evaluation | Not in release | Not in release |
| dnsmasq | Fixed | Fixed | Fixed | Fixed | Fixed |
| isc-dhcp | Needs evaluation | Not affected | Not affected | Needs evaluation | Not affected |
| knot-resolver | Vulnerable | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| pdns-recursor | Vulnerable | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| unbound | Fixed | Fixed | Fixed | Needs evaluation | Needs evaluation |
CVE-2023-50387
Medium prioritySome fixes available 20 of 42
Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of...
7 affected packages
bind9, bind9-libs, dnsmasq, isc-dhcp, knot-resolver...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | Fixed | Fixed | Fixed | Fixed | Fixed |
| bind9-libs | Not in release | Needs evaluation | Needs evaluation | Not in release | Not in release |
| dnsmasq | Fixed | Fixed | Fixed | Fixed | Fixed |
| isc-dhcp | Needs evaluation | Not affected | Not affected | Needs evaluation | Not affected |
| knot-resolver | Vulnerable | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| pdns-recursor | Vulnerable | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| unbound | Fixed | Fixed | Fixed | Needs evaluation | Needs evaluation |