Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: vsock/virtio: fixed an issue where an empty payload was present in the tap skb for non-linear buffers. For non-linear skbs, virtiotransportbuildskb calls virtiotransportcopynonlinearskb to copy the original payload into a new...

postfix security update

An update is available for postfix. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The postfix packages provide a Mail Transport Agent MTA, which supports...

[SECURITY] Fedora 44 Update: ocserv-1.5.0-2.fc44

OpenConnect server ocserv is an SSL VPN server. Its purpose is to be a secure, small, fast and configurable VPN server. It implements the OpenConnect SSL VPN protocol, and has also currently experimental compatibility with clients using the AnyConnect SSL VPN protocol. The OpenConnect VPN protoco...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service CVE-2026-31419 kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation CVE-2026-31488 kerne...

The vulnerability of the SimpleTrustManagerFactory component in the TSL client framework for network application development, servers, and Netty protocol clients allows a attacker to carry out a type of “man-in-the-middle” attack.

The vulnerability of the SimpleTrustManagerFactory component in the TSL client of the networking application development framework for Netty involves errors in verifying the cryptographic signature. Exploiting this vulnerability could allow a malicious actor to carry out a “man-in-the-middle”...

PT-2026-51080

Name of the Vulnerable Software and Affected Versions CoreWCF versions prior to 1.8.1 CoreWCF versions prior to 1.9.1 Description WS-Security signature verification fails to ensure that the selected ds:Signature covers the expected Security header target. This allows an attacker who has captured ...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

GHSA-GFJ5-979R-92PW @acastellon/auth: Authentication bypass via spoofable headers in validateToken()

@acastellon/auth v2.2.0 appears to allow an unauthenticated authentication bypass in validateToken through spoofable auth-user and Host request headers. The validateToken middleware contains a service-to-service bypass for auth-user: service-brother when req.get'host'.startsWithgetHostName. Both...

undici vulnerable to TLS certificate validation bypass via dropped requestTls in SOCKS5 ProxyAgent

Impact undici's ProxyAgent silently drops the requestTls option when configured with a SOCKS5 proxy URI socks5:// or socks://. The target HTTPS connection through the SOCKS5 tunnel falls back to Node's default trust store, ignoring user-configured ca, cert, key, rejectUnauthorized, and servername...

npm PraisonAI MCPServer exposes unauthenticated HTTP tools/call

Summary The published npm package praisonai exports a TypeScript MCPServer that can expose tools, resources, and prompts over an HTTP JSON-RPC transport with: ts await server.start port: 3000 ; The HTTP transport has no authentication or authorization path. MCPServerConfig does not expose an...

PraisonAI: MCP SSE transport binds 0.0.0.0 with no authentication and no Origin validation; bundled SecurityConfig is never wired in

The MCP SSE server started via ToolsMCPServer.runsse / launchtoolsmcpservertransport="sse" binds to 0.0.0.0 by default and builds its Starlette application with no authentication middleware and no Origin-header validation. The module mcp/mcpsecurity.py provides exactly the needed controls origin...

PraisonAI ToolsMCPServer legacy SSE transport accepts attacker Host/Origin and exposes registered tools

PraisonAI ToolsMCPServer legacy SSE transport accepts attacker Host/Origin and exposes registered tools Summary praisonaiagents.mcp.ToolsMCPServer.runsse builds a Starlette MCP HTTP+SSE server around mcp.server.sse.SseServerTransport. The server exposes /sse and /messages/, but it does not valida...

Siemens RUGGEDCOM RST2428P Incorrect Bitwise Shift of Integer (CVE-2025-40281)

In the Linux kernel, the following vulnerability has been resolved: sctp: prevent possible shift-out-of-bounds in sctptransportupdaterto syzbot reported a possible shift-out-of- bounds 1 Blamed commit added rtoalphamax and rtobetamax set to 1000. It is unclear if some sctp users are setting very...

ALPINE-CVE-2026-55200

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

DEBIAN-CVE-2026-55200

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

CVE-2026-55200

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

CVE-2026-55200 libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

CVE-2026-55200 libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

EUVD-2026-37784

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

CVE-2026-55200

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...