CVE-2026-68074

Affected product: Apache Qpid Broker-J (through 10.0.1). Vulnerability: pre-authentication resource exhaustion caused by unbounded symbol value caching, leading to denial of service. Root cause: unbounded caching of symbol values allows resource exhaustion under unauthenticated access. Impact: De...

CVE-2026-66257 Apache Qpid Proton-J: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue...

CVE-2026-66257

The CVE-2026-66257 entry applies to Apache Qpid Proton-J up to version 0.34.1. The root cause is unbounded symbol value caching, which allows a pre-authentication attacker to exhaust resources and cause denial of service. The available sources consistently report the impact as resource exhaustion...

CVE-2026-66257 Apache Qpid Proton-J: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue...

EUVD-2026-53051

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue...

CVE-2026-66257

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue...

Linux Distros Unpatched Vulnerability : CVE-2026-67589

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service. This issue affects...

Linux Distros Unpatched Vulnerability : CVE-2026-67590

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service. This issue affects Apache Qpid...

SUSE CVE-2026-18358

A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. When the daemon is running in system mode with RDP enabled, the incoming connection handler bypasses the connection throttler, allowing an unauthenticated remote attacker to open many parallel pre-authentication...

JLSEC-2026-1086 libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow...

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

JLSEC-2026-1088 libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer...

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

CVE-2026-21858-and-CVE-2025-68613

Ni8mare: n8n Pre-Auth RCE CVE-2026-21858 & CVE-2025-68613 —...

UBUNTU-CVE-2026-18358

A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. When the daemon is running in system mode with RDP enabled, the incoming connection handler bypasses the connection throttler, allowing an unauthenticated remote attacker to open many parallel pre-authentication...

CVE-2026-18358

A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. When the daemon is running in system mode with RDP enabled, the incoming connection handler bypasses the connection throttler, allowing an unauthenticated remote attacker to open many parallel pre-authentication...

CVE-2026-18358

A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. When the daemon is running in system mode with RDP enabled, the incoming connection handler bypasses the connection throttler, allowing an unauthenticated remote attacker to open many parallel pre-authentication...

EUVD-2026-51528

A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. When the daemon is running in system mode with RDP enabled, the incoming connection handler bypasses the connection throttler, allowing an unauthenticated remote attacker to open many parallel pre-authentication...

CVE-2026-15722 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via unbounded replica id parsing

A stack buffer overflow flaw was found in 389 Directory Server 389-ds-base. The getruvelementfromberval function in repl5ruv.c copies digit characters from a network-supplied RUV berval into a fixed 16-byte stack buffer without bounds checking. A remote unauthenticated attacker can crash the LDAP...

CVE-2026-15722

The CVE-2026-15722 entry concerns a pre-authentication stack buffer overflow in 389-ds-base. The get_ruvelement_from_berval() function in repl5_ruv.c copies digit characters from a network-supplied RUV berval into a fixed 16-byte stack buffer without bounds checking, allowing a remote unauthentic...

PT-2026-66753

Name of the Vulnerable Software and Affected Versions gnome-remote-desktop as shipped in Red Hat Enterprise Linux affected versions not specified Description A flaw exists when the daemon operates in system mode with RDP enabled. The incoming connection handler bypasses the connection throttler,...

Linux Distros Unpatched Vulnerability : CVE-2026-18358

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 gnome-remote-desktop as shipped in Red Hat Enterprise Linux. When the daemon is running in system mode with RDP enabled, the incoming...