Linux Distros Unpatched Vulnerability : CVE-2026-44331

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In ProFTPD through 1.3.9a before 7666224, a SQL injection vulnerability in sqltabfetchclientscb in contrib/modwrap2sql.c allows a remote attacker to inject...

EUVD-2026-27484

In ProFTPD through 1.3.9a before 7666224, a SQL injection vulnerability in sqltabfetchclientscb in contrib/modwrap2sql.c allows a remote attacker to inject arbitrary SQL commands via a crafted domain name that is accessed in a reverse DNS lookup. When "UseReverseDNS on" is enabled, the...

CVE-2026-44331

In ProFTPD through 1.3.9a before 7666224, a SQL injection vulnerability in sqltabfetchclientscb in contrib/modwrap2sql.c allows a remote attacker to inject arbitrary SQL commands via a crafted domain name that is accessed in a reverse DNS lookup. When "UseReverseDNS on" is enabled, the...

ProFTPD SQL注入漏洞

ProFTPD is an open-source FTP server software with high configurability developed by ProFTPD. Versions prior to ProFTPD 1.3.9a contained a SQL injection vulnerability. This vulnerability stems from the sqltabFetchClientsCB function in contrib/modwrap2sql.c. When the option “UseReverseDNS on” is...

GHSA-3VR4-CVMG-7FX4 copilot-api has Reliance on Reverse DNS Resolution for a Security-Critical Action

A vulnerability was determined in ericc-ch copilot-api up to 0.7.0. This impacts an unknown function of the file /token of the component Header Handler. Executing a manipulation of the argument Host can lead to reliance on reverse dns resolution. The attack may be performed from remote. The explo...

CVE-2026-6874

A vulnerability was determined in ericc-ch copilot-api up to 0.7.0. This impacts an unknown function of the file /token of the component Header Handler. Executing a manipulation of the argument Host can lead to reliance on reverse dns resolution. The attack may be performed from remote. The explo...

Apache ZooKeeper: Apache ZooKeeper: Impersonation of servers or clients via reverse DNS spoofing

A flaw was found in Apache ZooKeeper. The ZKTrustManager component's hostname verification process can fall back to reverse DNS PTR lookup when IP Subject Alternative Name SAN validation fails. This vulnerability allows an attacker who can control or spoof PTR records to impersonate ZooKeeper...

CLEANSTART-2026-EZ90321 Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS (PTR) when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper s...

Multiple security vulnerabilities affect the kserve-modelmesh package. Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS PTR when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid...

CVE-2026-30872

A flaw was found in OpenWrt's mdns daemon. A remote attacker can exploit a stack-based buffer overflow vulnerability by sending a specially crafted DNS query. This occurs when processing IPv6 reverse DNS queries, where the system fails to validate the length of incoming data. Successful...

CVE-2026-30872

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

CVE-2026-30872 OpenWrt Project has a Stack-based Buffer Overflow vulnerability via IPv6 reverse DNS lookup

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

CVE-2026-30872

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

EUVD-2026-13249

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

CVE-2026-30872 OpenWrt Project has a Stack-based Buffer Overflow vulnerability via IPv6 reverse DNS lookup

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

CVE-2026-30871

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

PT-2026-26381

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the match ipv6 addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa...

PT-2026-26380

Name of the Vulnerable Software and Affected Versions OpenWrt Project versions prior to 24.10.6 and versions prior to 25.12.1 Description The OpenWrt Project, a Linux operating system for embedded devices, is affected by a Stack-based Buffer Overflow in the mdns daemon. The issue resides within t...

Apache ZooKeeper 3.8.x < 3.8.6 / 3.9.x < 3.9.5 Multiple Vulnerabilities

The version of Apache ZooKeeper listening on the remote host is 3.8.x prior to 3.8.6 or 3.9.x prior to 3.9.5. It is, therefore, affected by multiple vulnerabilities: - Improper handling of configuration values in ZKConfig allows an attacker to expose sensitive information stored in client...

BIT-ZOOKEEPER-2026-24281 Apache ZooKeeper: Reverse-DNS fallback enables hostname verification bypass in ZooKeeper ZKTrustManager

Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS PTR when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to note that attacker must...

PT-2026-24613

Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS PTR when IP SAN validation fails, allowing attackers who control or spoof PTR records to impersonate ZooKeeper servers or clients with a valid certificate for the PTR name. It's important to note that attacker must...