EUVD-2026-66499

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

SUSE CVE-2026-80584

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

GHSA-7W8C-QGXG-M7JX LibreNMS — Stored XSS via SNMP/Syslog Data in Legacy Templates

Summary Multiple legacy PHP template files in LibreNMS directly output SNMP-sourced and syslog-sourced data into HTML without escaping. An attacker who controls a monitored network device via compromised SNMP agent or syslog sender can inject arbitrary JavaScript that executes when any...

Cross-site Scripting (XSS)

Overview librenms/librenms is a fully featured network monitoring system that provides a wealth of features and device support. Affected versions of this package are vulnerable to Cross-site Scripting XSS via unescaped output of attacker-controlled SNMP and syslog data in legacy PHP templates. An...

LibreNMS — Stored XSS via SNMP/Syslog Data in Legacy Templates

Summary Multiple legacy PHP template files in LibreNMS directly output SNMP-sourced and syslog-sourced data into HTML without escaping. An attacker who controls a monitored network device via compromised SNMP agent or syslog sender can inject arbitrary JavaScript that executes when any...

CVE-2026-80584

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

UBUNTU-CVE-2026-80584

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

CVE-2026-80584 s390/qeth: validate user buffer length in SNMP and ARP query ioctls

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

CVE-2026-80584

CVE-2026-80584 is a heap buffer overflow in the Linux kernel's s390/qeth network driver, affecting the qeth_snmp_command() and qeth_l3_arp_query() ioctls. The root cause is an unsigned integer underflow: a user-supplied udata_len smaller than the fixed non-zero udata_offset causes the bounds-chec...

Exploit for OS Command Injection in Synacor Zimbra_Collaboration_Suite

CVE-2026-73570 — Zimbra ZCS SNMP Notification RCE exploit PoC...

The vulnerability of the zimbra-snmp package in the Zimbra Collaboration Suite (ZCS) enterprise email management system allows a hacker to execute arbitrary code.

The vulnerability of the zimbra-snmp package in the Zimbra Collaboration Suite email management system is related to the lack of measures taken to neutralize special elements. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

CVE-2026-80584: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatalen without checking a lower bound, then set udataoffset to a fixed...

PT-2026-82200

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description An issue exists in the s390/qeth component where the qeth snmp command and qeth l3 arp query functions allocate a buffer based on a user-supplied length udata len without verifying a low...

Linux Distros Unpatched Vulnerability : CVE-2026-80584

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/qeth: validate user buffer length in SNMP and ARP query ioctls qethsnmpcommand and qethl3arpquery allocate a buffer sized by a user-supplied length udatale...

Zimbra Collaboration Suite SNMP notification vulnerability

Added: 08/24/2026 Background Zimbra Collaboration Suite is an email, calendar, and collaboration solution for enterprises. Problem A vulnerability in Zimbra Collaboration Suite with SNMP notifications enabled could allow a remote attacker to execute arbitrary commands. Resolution Upgrade to Zimbr...

Vulnerability handling in Zimbra Collaboration Suite

Zimbra has identified a vulnerability in the Zimbra Collaboration Suite. This vulnerability exists in the Zimbra Collaboration Suite version 10.1.20. Unauthorized attackers can execute OS commands through specially crafted SMTP requests. This requires that the Zimbra SNMP package be installed and...

Attackers Exploit Zimbra SNMP Flaw for Unauthenticated Remote Code Execution

A now-patched security flaw impacting Zimbra Collaboration ZCS has come under active exploitation in the wild, according to the Polish Computer Emergency Response Team CERT Polska. The vulnerability in question is CVE-2026-73570 CVSS score: 8.9, which refers to a case of command injection that ca...

VulnCheck KEV: CVE-2026-73570

Zimbra Collaboration Suite ZCS contains an OS command injection vulnerability which could allow an unauthenticated attacker to send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user...

CVE-2026-73570

A remote code execution vulnerability exists in Zimbra Collaboration ZCS before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send...

EUVD-2026-58069

A remote code execution vulnerability exists in Zimbra Collaboration ZCS before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send...