CVE-2022-2928

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

The vulnerability of DHCP option 82 for Cisco IOS and Cisco IOS XE operating systems allows a attacker to trigger a device reboot or cause a service failure.

The vulnerability of DHCP option 82 for Cisco IOS and Cisco IOS XE operating systems exists due to insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor to trigger a device reboot or cause a service failure using a specially crafted DHCPv4 packet...

The vulnerability of DHCP option 82 for Cisco IOS and Cisco IOS XE operating systems allows a attacker to trigger a device reboot or cause a service failure.

The vulnerability of DHCP option 82 for Cisco IOS and Cisco IOS XE operating systems exists due to insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor to trigger a device reboot or cause a service failure using a specially crafted DHCPv4 packet...

[SECURITY] Fedora 36 Update: dhcp-4.4.3-2.fc36

DHCP Dynamic Host Configuration Protocol...

Fedora: Security Advisory for dhcp (FEDORA-2022-05918f0838)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 34 Update: dhcp-4.4.2-12.b1.fc34

DHCP Dynamic Host Configuration Protocol...

PT-2022-19883 · Amb1 Sdk · Amb1 Sdk

Name of the Vulnerable Software and Affected Versions: amb1 sdk versions prior to 2022-03-11 Description: The issue is related to the mishandling of data structures for DHCP packet data in the dhcps.c file within the amb1 sdk. Recommendations: For versions prior to 2022-03-11, update to a version...

[SECURITY] Fedora 35 Update: dhcp-4.4.3-2.fc35

DHCP Dynamic Host Configuration Protocol...

Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability

The Dynamic Host Configuration Protocol DHCP relay subsystem of Cisco IOS and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system...

CVE-2021-31881

A vulnerability has been identified in Capital Embedded AR Classic 431-422 All versions, Capital Embedded AR Classic R20-11 All versions V2303. When processing a DHCP OFFER message, the DHCP client application does not validate the length of the Vendor options, leading to Denial-of-Service...

dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient

A flaw was found in the Dynamic Host Configuration Protocol DHCP. There is a discrepancy between the code that handles encapsulated option information in leases transmitted "on the wire" and the code which reads and parses lease information after it has been written to disk storage. This flaw...

dhclient, dhcp security update

CentOS Errata and Security Advisory CESA-2021:2357 An update for dhcp is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Fedora: Security Advisory for dhcp (FEDORA-2021-8ca8263bde)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 33 Update: dhcp-4.4.2-9.b1.fc33

DHCP Dynamic Host Configuration Protocol...

Fedora: Security Advisory for dhcp (FEDORA-2021-08cdb4dc34)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 34 Update: dhcp-4.4.2-11.b1.fc34

DHCP Dynamic Host Configuration Protocol...

systemd 安全漏洞

systemd is a Linux-based system and service manager from the individual developer Lennart Poettering in Germany. The product is compatible with SysV and LSB startup scripts and provides a framework for representing dependencies between system services. A security vulnerability exists in systemd d...

Important: Red Hat Security Advisory: dnsmasq security update

An update for dnsmasq is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

CVE-2020-1866

There is an out-of-bounds read vulnerability in several products. The software reads data past the end of the intended buffer when parsing certain crafted DHCP messages. Successful exploit could cause certain service abnormal. Affected product versions include:NIP6800 versions...

CVE-2020-27338

An issue was discovered in Treck IPv6 before 6.0.1.68. Improper Input Validation in the DHCPv6 client component allows an unauthenticated remote attacker to cause an Out of Bounds Read, and possibly a Denial of Service via adjacent network access...