mtr

WHAT IS MTR? mtr combines the functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool. As mtr starts, it investigates the network connection between the host mtr runs on and a user-specified destination host. It sends probes to the destination with successively...

pyc2

pyc2 simple c2 written in python2 to demonstrate security concepts. use icmp echo requests and replies to trade base64 encoded commands and replies. Video explaining some of the security concepts and implementation decisions: https://www.youtube.com/watch?v=DHrEn7oK9vQ requires scapy pip install...

EUVD-2026-108518

A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific conditions where the normal ICMP socket is unavailable, this length mismatch causes the host's real IP address to be leaked to the guest ...

Linux Distros Unpatched Vulnerability : CVE-2026-115449

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific...

DEBIAN-CVE-2026-115449

A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific conditions where the normal ICMP socket is unavailable, this length mismatch causes the host's real IP address to be leaked to the guest ...

CVE-2026-115449

A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific conditions where the normal ICMP socket is unavailable, this length mismatch causes the host's real IP address to be leaked to the guest ...

CVE-2026-115449 Libslirp: libslirp: icmp echo reply length desynchronization leaks host ip to guest

A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific conditions where the normal ICMP socket is unavailable, this length mismatch causes the host's real IP address to be leaked to the guest ...

CVE-2026-115449

A flaw exists in libslirp where the reply length is not updated to match the actual data received from the host during ICMP echo request handling. When the normal ICMP socket is unavailable, this length desynchronization causes the host's real IP address to be leaked to the guest, compromising th...

CVE-2026-115449

A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific conditions where the normal ICMP socket is unavailable, this length mismatch causes the host's real IP address to be leaked to the guest ...

CVE-2026-115449

A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific conditions where the normal ICMP socket is unavailable, this length mismatch causes the host's real IP address to be leaked to the guest ...

PT-2026-121666

A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific conditions where the normal ICMP socket is unavailable, this length mismatch causes the host's real IP address to be leaked to the guest ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ICMP: Fixed data races related to sysctlicmpechoenableprobe. When reading sysctlicmpechoenableprobe, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

AlmaLinux 9.2 [TuxCare] Security Update: iputils / iputils-ninfod (ALMALINUX9.2:CLSA-2025:1753987674)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1753987674 advisory. - ping in iputils before 20250602 allows a denial of service application error or incorrect data collection via a crafted ICMP Echo Reply...

EulerOS Virtualization 2.11.1 : iputils (EulerOS-SA-2026-3423)

According to the versions of the iputils package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : ping in iputils through 20240905 allows a denial of service application error or incorrect data collection via a crafted ICMP Echo...

EulerOS Virtualization 2.11.0 : iputils (EulerOS-SA-2026-3510)

According to the versions of the iputils package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : ping in iputils through 20240905 allows a denial of service application error or incorrect data collection via a crafted ICMP Echo...

PT-2026-94407

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the stmmac network driver where the conversion of the RX path to zero-copy failed to maintain the NET IP ALIGN in the RX DMA offset. On architectures where NET IP ALIG...

CVE-2017-6455

creationtimestamp| type| source ---|---|--- 2026-09-07 13:15:19+00:00| seen| https://bsky.app/profile/o2cloud.bsky.social/post/3muwlohukka2v...

Reverse ICMP Listener

Receives ICMP Echo Request packets from pythonreverseicmp agents. Requires scapy and CAPNETRAW / Administrator. Sends commands via ICMP Echo Reply payloads CMD:, PING, EXIT. !/usr/bin/env python3 -- coding: utf-8 -- """ICMP covert reverse shell listener pairs with pythonreverseicmp payload."""...

CVE-2026-7423 Integer Underflow in ICMP Echo Reply Processing in FreeRTOS-Plus-TCP

Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network user to cause a denial of service device crash when outgoing ping support is enabled, because header sizes are subtracted from a packet length field without...

CVE-2026-7423 Integer Underflow in ICMP Echo Reply Processing in FreeRTOS-Plus-TCP

Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network user to cause a denial of service device crash when outgoing ping support is enabled, because header sizes are subtracted from a packet length field without...