ISC
ISC Dhcp: vulnerabilidades y CVE
ISC Dhcp tiene 27 vulnerabilidades publicadas, 2 de ellas en los últimos 12 meses. 0 son críticas y 0 figuran en el catálogo de explotación activa de CISA.
CVE27
Últimos 12 meses2
Críticas0
Explotadas activamente0
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Últimas vulnerabilidades
| CVE | Severidad | EPSS | Explotación activa | Publicada | Descripción |
|---|---|---|---|---|---|
| CVE-2026-18103 | Media (4.9) | 0.71% | — | 5 ago 2026 | A flaw was found in dhcp-server. A remote attacker with network access to the OMAPI (Open Management Application Programming Interface) port, especially if not secured with TSIG (Transaction Signature) key… |
| CVE-2026-44932 | Alta (8.8) | 0.49% | — | 16 jun 2026 | Passing of unsanitized strings from DHCP replies into the wicked dhcp client before wicked 0.6.79 could be used by attackers operating a malicious DHCP server to execute code on the local machine. |
| CVE-2022-2929 | Media (6.5) | 0.64% | — | 7 oct 2022 | In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run… |
| CVE-2022-2928 | Media (6.5) | 0.69% | — | 7 oct 2022 | In ISC DHCP 4.4.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1, when the function option_code_hash_lookup() is called from add_option(), it increases the option's refcount field. However, there is not a corresponding… |
| CVE-2021-25217 | Alta (7.4) | 6.1% | — | 26 may 2021 | In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases in the 4.0.x series or lower and releases in the 4.3.x series) are beyond their End-of-Life (EOL) and no longer… |
| CVE-2018-5732 | Alta (7.5) | 5.2% | — | 9 oct 2019 | Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an entity masquerading as a server) to cause a buffer overflow (and resulting crash) in dhclient by sending a… |
| CVE-2018-5733 | Alta (7.5) | 20% | — | 16 ene 2019 | A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP… |
| CVE-2017-3144 | Alta (7.5) | 73% | — | 16 ene 2019 | A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to… |
| CVE-2016-2774 | Media (5.9) | 74% | — | 9 mar 2016 | ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or… |
| CVE-2015-8605 | Media (6.5) | 83% | — | 14 ene 2016 | ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial of service (application crash) via an invalid length field in a UDP IPv4 packet. |
| CVE-2013-2494 | Media (4.9) | 1.2% | — | 28 mar 2013 | libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a… |
| CVE-2012-3955 | Alta (7.1) | 22% | — | 14 sept 2012 | ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the… |
| CVE-2012-3954 | Baja (3.3) | 4.3% | — | 25 jul 2012 | Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests. |
| CVE-2012-3571 | Media (6.1) | 13% | — | 25 jul 2012 | ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier. |
| CVE-2012-3570 | Media (5.7) | 2.6% | — | 25 jul 2012 | Buffer overflow in ISC DHCP 4.2.x before 4.2.4-P1, when DHCPv6 mode is enabled, allows remote attackers to cause a denial of service (segmentation fault and daemon exit) via a crafted client identifier parameter. |
| CVE-2011-4868 | Media (6.1) | 3.4% | — | 15 ene 2012 | The logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS (DDNS) and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attackers to cause a… |
| CVE-2011-4539 | Media (5) | 15% | — | 8 dic 2011 | dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted… |
| CVE-2011-2749 | Alta (7.8) | 39% | — | 15 ago 2011 | The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet. |
| CVE-2011-2748 | Alta (7.8) | 39% | — | 15 ago 2011 | The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted DHCP packet. |
| CVE-2011-0997 | Alta (7.5) | 85% | — | 8 abr 2011 | dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained… |
| CVE-2011-0413 | Alta (7.8) | 33% | — | 31 ene 2011 | The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service (assertion failure and daemon crash) by… |
| CVE-2010-3616 | Media (5) | 7.9% | — | 17 dic 2010 | ISC DHCP server 4.2 before 4.2.0-P2, when configured to use failover partnerships, allows remote attackers to cause a denial of service (communications-interrupted state and DHCP client service loss) by connecting to a… |
| CVE-2010-3611 | Media (4.3) | 9.4% | — | 4 nov 2010 | ISC DHCP server 4.0 before 4.0.2, 4.1 before 4.1.2, and 4.2 before 4.2.0-P1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a DHCPv6 packet containing a Relay-Forward… |
| CVE-2010-2156 | Media (5) | 76% | — | 7 jun 2010 | ISC DHCP 4.1 before 4.1.1-P1 and 4.0 before 4.0.2-P1 allows remote attackers to cause a denial of service (server exit) via a zero-length client ID. |
| CVE-2009-1893 | Media (6.9) | 0.60% | — | 17 jul 2009 | The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL) 3 allows local users to overwrite arbitrary files via a symlink attack on an unspecified temporary file, related… |
| CVE-2009-1892 | Media (5) | 8.6% | — | 17 jul 2009 | dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests. |
| CVE-2009-0692 | Alta (10) | 26% | — | 14 jul 2009 | Stack-based buffer overflow in the script_write_params method in client/dhclient.c in ISC DHCP dhclient 4.1 before 4.1.0p1, 4.0 before 4.0.1p1, 3.1 before 3.1.2p1, 3.0, and 2.0 allows remote DHCP servers to execute… |