ALSA-2026:26428 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: mptcp: fix slab-use-after-free in inetlookupestablished CVE-2026-31669 kernel: xen/privcmd: fix double free via VMA splitting...

ALSA-2026:26427 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: mptcp: fix slab-use-after-free in inetlookupestablished CVE-2026-31669 kernel: xen/privcmd: fix double free via VMA splitting CVE-2026-31787 kernel: Buffer overflow in...

PT-2026-49871

Name of the Vulnerable Software and Affected Versions Oracle Fusion Middleware WebLogic Server versions 12.2.1.4.0 Oracle Fusion Middleware WebLogic Server versions 14.1.1.0.0 Oracle Fusion Middleware WebLogic Server versions 14.1.2.0.0 Oracle Fusion Middleware WebLogic Server versions 15.1.1.0.0...

CVE-2026-52721 Gstreamer1-plugins-bad-free: gstreamer: multiple out-of-bounds reads in pcapparse ipv4/tcp header parsing

Multiple out-of-bounds read vulnerabilities were found in GStreamer's pcapparse element. Malformed PCAP records can trigger reads beyond buffer boundaries during IPv4/TCP header parsing. This element is primarily used in debugging pipelines, limiting real-world exposure. A local attacker could...

CVE-2026-10634

Zephyr's native TCP stack iterates the global connection list in nettcpforeach subsys/net/ip/tcp.c using the SYSSLISTFOREACHCONTAINERSAFE macro, which caches a pointer to the next list node. Prior to this fix the function released tcplock while invoking the per-connection callback and re-acquired...

CVE-2026-10634 Use-after-free in Zephyr native TCP `net_tcp_foreach()` due to dropping `tcp_lock` during the callback

Zephyr's native TCP stack iterates the global connection list in nettcpforeach subsys/net/ip/tcp.c using the SYSSLISTFOREACHCONTAINERSAFE macro, which caches a pointer to the next list node. Prior to this fix the function released tcplock while invoking the per-connection callback and re-acquired...

PT-2026-49337

Name of the Vulnerable Software and Affected Versions GStreamer affected versions not specified Description Multiple out-of-bounds read issues exist in the pcapparse element. Malformed PCAP records can trigger reads beyond buffer boundaries during the parsing of IPv4 and TCP headers. A local...

CVE-2026-54410 nanoMODBUS Off-by-One Buffer Overflow in recv_msg_header() via Crafted MBAP Length Field

nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recvmsgheader function of the Modbus/TCP server that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of the 260-byte receive buffer by sending a crafted MBAP frame whose Length fiel...

EUVD-2026-36661

nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recvmsgheader function of the Modbus/TCP server that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of the 260-byte receive buffer by sending a crafted MBAP frame whose Length fiel...

PT-2026-49133

Name of the Vulnerable Software and Affected Versions nanoMODBUS versions prior to 1.23.1 Description The Modbus/TCP server contains an off-by-one buffer overflow in the recv msg header function. Remote unauthenticated attackers can exploit this by sending a crafted MBAP frame with the Length fie...

[SECURITY] Fedora 44 Update: varnish-modules-0.27.0-4.fc44

This is a collection of modules "vmods" extending Varnish VCL used for describing HTTP request/response policies with additional capabilities. This collection contains the following vmods: bodyaccess, header, saintmode, tcp, var, vsthrottle, xkey...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

kernel: smc: Fix use-after-free in tcp_write_timer_handler()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

kernel: smc: Fix use-after-free in tcp_write_timer_handler()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

Critical: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

CVE-2026-52756

Ghidra before 12.2 contains an unauthenticated path traversal vulnerability in the IsfServer that accepts TCP connections and passes client-supplied namespace strings directly to filesystem operations without validation. Remote attackers can connect to port 54321 and send crafted protobuf message...

CVE-2026-52756 Ghidra < 12.2 - Unauthenticated Path Traversal in Debugger ISF Server

Ghidra before 12.2 contains an unauthenticated path traversal vulnerability in the IsfServer that accepts TCP connections and passes client-supplied namespace strings directly to filesystem operations without validation. Remote attackers can connect to port 54321 and send crafted protobuf message...

RHEL 9 : kernel (RHSA-2026:25028)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25028 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: openvswitch: Avoid...

Vulnerabilities in Microsoft Windows

Microsoft has fixed a large number of vulnerabilities in Windows. A malicious party can exploit the vulnerabilities to carry out attacks that can lead to various categories of damage, as described in the tables below. Among these vulnerabilities are about six very serious ones, which Microsoft ha...

CVE-2026-46330

In the Linux kernel, the following vulnerability has been resolved: Revert "net/smc: Introduce TCP ULP support" This reverts commit d7cd421da9da2cc7b4d25b8537f66db5c8331c40. As reported by Al Viro, the TCP ULP support for SMC is fundamentally broken. The implementation attempts to convert an acti...