The vulnerability of the IPv4 tunneling implementation in the Trace TCP/IP protocol stack, related to the repeated memory release, allows a attacker to cause a service failure.

The vulnerability of the IPv4 tunneling implementation in the Trace TCP/IP protocol stack is related to the reallocation of memory. Exploiting this vulnerability can allow a malicious actor to cause service interruptions from a remote location...

CVE-2021-0243

Improper Handling of Unexpected Data in the firewall policer of Juniper Networks Junos OS on EX4300 switches allows matching traffic to exceed set policer limits, possibly leading to a limited Denial of Service DoS condition. When the firewall policer discard action fails on a Layer 2 port, it wi...

[SECURITY] Fedora 33 Update: perl-Net-CIDR-Lite-0.22-1.fc33

Faster alternative to Net::CIDR when merging a large number of CIDR address ranges. Works for IPv4 and IPv6 addresses...

[SECURITY] Fedora 32 Update: perl-Net-CIDR-Lite-0.22-1.fc32

Faster alternative to Net::CIDR when merging a large number of CIDR address ranges. Works for IPv4 and IPv6 addresses...

Fedora: Security Advisory for perl-Net-Netmask (FEDORA-2021-be62be8c7c)

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...

Fedora: Security Advisory for perl-Net-Netmask (FEDORA-2021-c314017fcc)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG 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-only ifdescription...

Fedora: Security Advisory for perl-Net-Netmask (FEDORA-2021-c314017fcc)

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: perl-Net-Netmask-2.0001-1.fc33

Net::Netmask parses and understands IPv4 and IPv6 CIDR blocks see for more information on CIDR blocks. There are also functions to insert a network block into a table and then later look up network blocks by an IP address using that table...

Fedora: Security Advisory for perl-Net-Netmask (FEDORA-2021-3d96cfe6a3)

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...

Fedora: Security Advisory for perl-Net-Netmask (FEDORA-2021-3d96cfe6a3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG 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-only ifdescription...

[SECURITY] Fedora 34 Update: perl-Net-Netmask-2.0001-1.fc34

Net::Netmask parses and understands IPv4 and IPv6 CIDR blocks see for more information on CIDR blocks. There are also functions to insert a network block into a table and then later look up network blocks by an IP address using that table...

Vulnerability fixed in netmask

Netmask is a widely used component in various open source projects. This component contains a vulnerability. By incorrectly processing ipv4 addresses, attacks such as server-side request forgery SSRF, remote file inclusion RFI and local file inclusion LFI are made possible. The makers of Netmask...

The npm netmask vulnerability explained so you can actually understand it

The popular npm netmask library recently encountered a serious problem, explained as follows: The npm netmask package incorrectly evaluates individual ipv4 octets that contain octal strings as left-stripped integers, leading to an inordinate attack surface on hundreds of thousands of projects tha...

CVE-2021-1446

A vulnerability in the DNS application layer gateway ALG functionality used by Network Address Translation NAT in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a logic error that occurs when an affected...

Design/Logic Flaw

A vulnerability in the DNS application layer gateway ALG functionality used by Network Address Translation NAT in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a logic error that occurs when an affected...

CVE-2021-1446 Cisco IOS XE Software DNS NAT Protocol Application Layer Gateway Denial of Service Vulnerability

A vulnerability in the DNS application layer gateway ALG functionality used by Network Address Translation NAT in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a logic error that occurs when an affected...

CVE-2021-1446 Cisco IOS XE Software DNS NAT Protocol Application Layer Gateway Denial of Service Vulnerability

A vulnerability in the DNS application layer gateway ALG functionality used by Network Address Translation NAT in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a logic error that occurs when an affected...

CVE-2021-1446

CVE-2021-1446 describes a denial-of-service vulnerability in the DNS Application Layer Gateway (ALG) functionality used by NAT in Cisco IOS XE software. The issue arises from a logic error when the device inspects certain DNS packets; an unauthenticated, remote attacker can exploit this by sendin...

Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability

A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System NCS 520 Routers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition in the web management interface of an affected device. This vulnerability is due ...

Cisco IOS XE Software DNS NAT Protocol Application Layer Gateway Denial of Service Vulnerability

A vulnerability in the DNS application layer gateway ALG functionality used by Network Address Translation NAT in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a logic error that occurs when an affected...