RLSA-2026:18160 Moderate: libssh security update

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: Buffer underflow in sshgethexa on invalid input CVE-2026-0966 libssh: Improper sanitation of paths received from SCP servers CVE-2026-0964 libssh: libssh:...

RLSA-2026:18683 Moderate: libssh security update

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: Double Free Vulnerability in libssh Key Export Functions CVE-2025-5351 libssh: Use of uninitialized variable in privatekeyfromfile CVE-2025-4878 libssh: Write...

RHEL 9 : libssh (RHSA-2026:18683)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:18683 advisory. libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh:...

freerdp: FreeRDP: Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol RDP. The gdisurfacebits function, which processes SURFACEBITSCOMMAND messages, does not properly validate image dimensions bmp.width and bmp.height provided by a malicious RDP server. This can lead to a heap buffer...

BIT-NATS-2026-33218 NATS has pre-auth server panic via leafnode handling

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, a client which can connect to the leafnode port can crash the nats-server with a certain malformed message pre-authentication. Versions 2.11.15 and 2.12.6 contain ...

CVE-2026-32319

Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all...

CVE-2026-33282

Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing a malformed NGAP LocationReport message with ue-presence-in-area-of-interest event type and omitting the optional UEPresenceInAreaOfInterestList IE. An attacker able to send crafted NGAP messages t...

CVE-2026-33218

A flaw was found in NATS-Server, a high-performance messaging system. A remote attacker, by connecting to the leafnode port and sending a specially crafted malformed message before authentication, can cause the nats-server to crash. This vulnerability leads to a Denial of Service DoS, making the...

CVE-2026-33218

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, a client which can connect to the leafnode port can crash the nats-server with a certain malformed message pre-authentication. Versions 2.11.15 and 2.12.6 contain ...

UBUNTU-CVE-2026-33218

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, a client which can connect to the leafnode port can crash the nats-server with a certain malformed message pre-authentication. Versions 2.11.15 and 2.12.6 contain ...

CVE-2026-33218

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, a client which can connect to the leafnode port can crash the nats-server with a certain malformed message pre-authentication. Versions 2.11.15 and 2.12.6 contain ...

NATS has pre-auth server panic via leafnode handling

Background NATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT, and edge computing. The nats-server allows hub/spoke topologies using "leafnode" connections by other nats-servers. Problem Description A client which can conne...

GO-2026-4776 Ella Core panics on malformed ULNASTransport Message without a Request Type in github.com/ellanetworks/core

Ella Core panics on malformed ULNASTransport Message without a Request Type in github.com/ellanetworks/core...

PT-2026-26468

Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing a malformed NGAP LocationReport message with ue-presence-in-area-of-interest event type and omitting the optional UEPresenceInAreaOfInterestList IE. An attacker able to send crafted NGAP messages t...

GHSA-M9PM-W3GV-C68F Ella Core vulnerable to Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload

Summary Ella Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes. Impact An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required...

CVE-2026-26024 free5GC SMF crash (nil pointer dereference) on PFCP SessionReportRequest when ReportType.USAR=1 and UsageReport omits mandatory URRID sub-IE 

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics and terminates when processing a malformed PFCP SessionReportRequest on the PFCP UDP/8805 interface. No known upstrea...

PT-2026-21588

Name of the Vulnerable Software and Affected Versions free5GC SMF versions prior to 1.4.2 Description The free5GC Session Management Function SMF, a component of the free5GC 5G mobile core network, is susceptible to a panic and process termination. This occurs due to a nil pointer dereference...

CVE-2026-0968

A flaw was found in libssh in which a malicious SFTP SSH File Transfer Protocol server can exploit this by sending a malformed 'longname' field within an SSHFXPNAME message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can...

CVE-2025-11743

A denial-of-service security issue in the affected product. The security issue occurs when a malformed CIP forward open message is sent. This could result in a major nonrecoverable fault a restart is required to recover...

CVE-2010-0592

The CTI Manager service in Cisco Unified Communications Manager aka CUCM, formerly CallManager 4.x before 4.32sr1a, 6.x before 6.13, 7.0x before 7.02, 7.1x before 7.12, and 8.x before 8.01 allows remote attackers to cause a denial of service service failure via a malformed message, aka Bug ID...