ALSA-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:...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of boundary checks on the number of servers added to each node. A malicious client can send th...

Impacket 0.13.1

Impacket is a collection of Python classes for working with network protocols. Impacket is focused on providing low-level programmatic access to the packets and, for some protocols e.g. SMB1-3 and MSRPC, the protocol implementation itself. Packets can be constructed from scratch, as well as parse...

ALSA-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 10 : libssh (RHSA-2026:18160)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:18160 advisory. libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh:...

ALSA-2026:19364 Important: dovecot security update

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. Security Fixes: doveco...

ALSA-2026:19149 Important: dovecot security update

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. Security Fixes: doveco...

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...

Moderate: corosync security update

The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software. Security Fixes: corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via integer overflow in join message...

Incorrect Type Conversion or Cast

Overview Affected versions of this package are vulnerable to Incorrect Type Conversion or Cast through the parseOpMessage, parseSections, and parseFirstField functions. An attacker can cause the telemetry agent to crash and disrupt observability by sending specially crafted MongoDB wire messages ...

UBUNTU-CVE-2026-8836

A vulnerability was found in lwIP up to 2.2.1. Affected is the function snmpparseinboundframe of the file src/apps/snmp/snmpmsg.c of the component snmpv3 USM Handler. Performing a manipulation of the argument msgAuthenticationParameters results in stack-based buffer overflow. The attack may be...

CVE-2026-45243 Summarize < 0.15.1 Browser Extension Missing Authorization via Content Script

Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge that allows malicious pages to perform unauthorized operations on automation artifacts. Attackers can simulate runtime messages with spoofed sender identifiers to list, read,...

CVE-2026-8836

A vulnerability was found in lwIP up to 2.2.1. Affected is the function snmpparseinboundframe of the file src/apps/snmp/snmpmsg.c of the component snmpv3 USM Handler. Performing a manipulation of the argument msgAuthenticationParameters results in stack-based buffer overflow. The attack may be...

CVE-2026-8836 lwIP snmpv3 USM snmp_msg.c snmp_parse_inbound_frame stack-based overflow

A vulnerability was found in lwIP up to 2.2.1. Affected is the function snmpparseinboundframe of the file src/apps/snmp/snmpmsg.c of the component snmpv3 USM Handler. Performing a manipulation of the argument msgAuthenticationParameters results in stack-based buffer overflow. The attack may be...

OpenTelemetry eBPF Instrumentation: Postgres BIND parsing can panic on malformed payloads

Summary The Postgres protocol parser assumes BIND message payloads contain a valid NUL-terminated portal name. A crafted empty or unterminated payload can make OBI slice beyond the end of the captured buffer and panic. Details The vulnerable logic is in pkg/ebpf/common/sqldetectpostgres.go. In th...

OpenTelemetry eBPF Instrumentation: Redis error text is exported in span status messages

Summary OBI exports raw Redis error text as the span status message. Because Redis error replies can contain attacker-controlled or sensitive values, this behavior can exfiltrate tokens, PII, or other confidential input into telemetry backends and inject untrusted text into downstream analysis...

CVE-2026-44569

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.19, there's an IDOR in the channels message management system that allows authenticated users to modify or delete any message within channels they have read access to. The vulnerability...

dovecot: denial of service via crafted message before authentication

A flaw was found in dovecot. An unauthenticated and remote attacker can send a crafted message that causes managesieve to allocate an excessive amount of memory, forcing managesieve-login to be unavailable by repeatedly crashing the process, resulting in a denial of service...

org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication

A flaw was found in Apache Artemis and Apache ActiveMQ Artemis. An unauthenticated remote attacker can exploit a missing authentication for critical function vulnerability by using the Core protocol. This allows the attacker to force a target broker to establish an outbound Core federation...

org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication

A flaw was found in Apache Artemis and Apache ActiveMQ Artemis. An unauthenticated remote attacker can exploit a missing authentication for critical function vulnerability by using the Core protocol. This allows the attacker to force a target broker to establish an outbound Core federation...