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dhcpcd through 10.3.2, fixed in commit 78ea09e, contains a heap use-after-free vulnerability in the control socket handling within src/control.c that allows local unprivileged attackers to trigger memory corruption when privilege...
1 affected package
dhcpcd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| dhcpcd | Needs evaluation | Needs evaluation | Not in release | — | — |
dhcpcd through 10.3.2, fixed in commit 708b4a5, contains a memory leak vulnerability in the IPv6 Router Advertisement route information handling that allows an unauthenticated same-link attacker to cause denial of service by...
1 affected package
dhcpcd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| dhcpcd | Needs evaluation | Needs evaluation | Not in release | — | — |
dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6_makemessage() in src/dhcp6.c that allows unauthenticated same-link attackers to write beyond a fixed local buffer...
1 affected package
dhcpcd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| dhcpcd | Needs evaluation | Needs evaluation | Not in release | — | — |
dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6_makemessage() in src/dhcp6.c that allows unauthenticated same-link attackers to write beyond a fixed local buffer...
1 affected package
dhcpcd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| dhcpcd | Needs evaluation | Needs evaluation | Not in release | — | — |
dhcpcd through 10.3.2, fixed in commit 5733d3c, contains a heap use-after-free vulnerability that allows unauthenticated same-link attackers to crash the daemon by sending a crafted DHCPv6 RENEW reply with RFC6603...
1 affected package
dhcpcd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| dhcpcd | Needs evaluation | Needs evaluation | Not in release | — | — |
A NULL pointer dereference occurs in Roy Marples NetworkConfiguration/dhcpcd 10.3.0 while parsing configuration options. In parse_option() (src/if-options.c:1886), the code performs a member access on a NULL pointer of type...
1 affected package
dhcpcd
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| dhcpcd | Needs evaluation | Needs evaluation | Not in release | — | — |
Some fixes available 4 of 14
An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific...
3 affected packages
bind9, bind9-libs, isc-dhcp
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| bind9 | Fixed | Fixed | Fixed | Needs evaluation | Needs evaluation |
| bind9-libs | Not in release | Not in release | Needs evaluation | Needs evaluation | — |
| isc-dhcp | Needs evaluation | Needs evaluation | Not affected | Not affected | Needs evaluation |
Undefined behavior may result due to a race condition leading to a use-after-free violation. If BIND receives an incoming DNS message signed with SIG(0), it begins work to validate that signature. If, during that validation, the...
3 affected packages
bind9-libs, bind9, isc-dhcp
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| bind9-libs | Not in release | Not in release | Not affected | Not affected | — |
| bind9 | Fixed | Not affected | Not affected | Not affected | Not affected |
| isc-dhcp | Not affected | Not affected | Not affected | Not affected | Not affected |
Some fixes available 4 of 10
Multiple flaws have been identified in `named` related to the handling of DNS messages whose CLASS is not Internet (`IN`) — for example, `CHAOS` or `HESIOD`, or DNS messages that specify meta-classes (`ANY` or `NONE`) in the...
3 affected packages
bind9-libs, bind9, isc-dhcp
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| bind9-libs | Not in release | Not in release | Vulnerable | Vulnerable | — |
| bind9 | Fixed | Fixed | Fixed | Needs evaluation | Needs evaluation |
| isc-dhcp | Not affected | Not affected | Not affected | Not affected | Not affected |
A use-after-free vulnerability exists within the DNS-over-HTTPS implementation. This issue affects BIND 9 versions 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, and 9.20.9-S1 through 9.20.22-S1. BIND 9 versions 9.18.0 through...
3 affected packages
bind9-libs, bind9, isc-dhcp
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| bind9-libs | Not in release | Not in release | Not affected | Not affected | — |
| bind9 | Fixed | Not affected | Not affected | Not affected | Not affected |
| isc-dhcp | Not affected | Not affected | Not affected | Not affected | Not affected |