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CVE-2022-3736
Medium priorityBIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12...
2 affected packages
bind9, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | — | Fixed | Not affected | Not affected | Not affected |
| isc-dhcp | — | Not affected | Not affected | Not affected | Not affected |
CVE-2022-3094
Medium prioritySending a flood of dynamic DNS updates may cause `named` to allocate large amounts of memory. This, in turn, may cause `named` to exit due to a lack of free memory. We are not aware of any cases where this has been exploited....
2 affected packages
bind9, 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 |
| isc-dhcp | — | Not affected | Not affected | Not affected | Not affected |
CVE-2022-38178
Medium priorityBy spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.
2 affected packages
bind9, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | — | Fixed | Fixed | Fixed | Not affected |
| isc-dhcp | — | Not affected | Not affected | Not affected | Not affected |
CVE-2022-38177
Medium priorityBy spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.
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 | Fixed | Fixed | Fixed |
| isc-dhcp | — | Not affected | Not affected | Not affected | Not affected |
CVE-2022-3080
Medium priorityBy sending specific queries to the resolver, an attacker can cause named to crash.
2 affected packages
bind9, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | — | Fixed | Not affected | Not affected | Not affected |
| isc-dhcp | — | Not affected | Not affected | Not affected | Not affected |
CVE-2022-2906
Medium priorityAn attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service.
2 affected packages
bind9, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | — | Fixed | Not affected | Not affected | Not affected |
| isc-dhcp | — | Not affected | Not affected | Not affected | Not affected |
CVE-2022-2881
Medium priorityThe underlying bug might cause read past end of the buffer and either read memory it should not read, or crash the process.
2 affected packages
bind9, isc-dhcp
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | — | Fixed | Not affected | Not affected | Not affected |
| isc-dhcp | — | Not affected | Not affected | Not affected | Not affected |
CVE-2022-2795
Medium prioritySome fixes available 10 of 17
By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
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 | Not in release | Not in release |
| isc-dhcp | Vulnerable | Not affected | Not affected | Not affected | Not affected |
CVE-2022-1183
Medium priorityOn vulnerable configurations, the named daemon may, in some circumstances, terminate with an assertion failure. Vulnerable configurations are those that include a reference to http within the listen-on statements in...
1 affected package
bind9
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | — | Fixed | Not affected | Not affected | Not affected |
CVE-2022-0667
Medium priorityWhen the vulnerability is triggered the BIND process will exit. BIND 9.18.0
1 affected package
bind9
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| bind9 | — | Fixed | Not affected | Not affected | Not affected |