CVE-2026-55655

A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack ca...

PT-2026-51566

Name of the Vulnerable Software and Affected Versions dhcpcd versions prior to 10.3.2 Description A heap use-after-free issue exists in the control socket handling within src/control.c. This occurs when privilege separation is disabled or initialization fails, leaving the control socket in mode...

PT-2026-51473

Name of the Vulnerable Software and Affected Versions OpenSSH affected versions not specified Description A flaw in OpenSSH allows a local unprivileged attacker on a Linux client host to hijack client-side X11 forwarding connections. This occurs when X11 forwarding is enabled and a local...

PT-2026-51597

Name of the Vulnerable Software and Affected Versions jackson-databind versions 2.0.0 through 2.18.7 jackson-databind versions 2.19.0 through 2.21.3 jackson-databind versions 3.0.0 through 3.1.3 Description The JDKFromStringDeserializer function constructs InetSocketAddress using new...

PT-2026-51509

Name of the Vulnerable Software and Affected Versions Nuxt versions prior to 4.4.7 Nuxt versions prior to 3.21.7 Description When running the development server on Linux, the vite-node IPC Inter-Process Communication server binds to an abstract-namespace Unix socket without permission restriction...

podman security update

5.8.2-3.0.1 - Rework CNI/Netavark detection logic JIRA: EVG-3769 - Rebuild on new golang to support experimental GODEBUG fipsnoenforceems - Drop nmap-ncat requirement and skip ignore-socket test case Orabug: 34117404 6:5.8.2-3 - Rebuild for CVE-2026-32283 - Resolves: RHEL-167685 6:5.8.2-2 - Rebui...

USN-8462-1: Linux kernel (Oracle) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 It was discovered that the Linux kernel did n...

postgresql: PostgreSQL: Denial of Service via uncontrolled recursion in SSL/GSS negotiation

A flaw was found in PostgreSQL. Uncontrolled recursion during SSL Secure Sockets Layer and GSS Generic Security Service negotiation allows an attacker to achieve a sustained denial of service. This can be exploited by an attacker with access to a PostgreSQL AFUNIX socket. If SSL and GSS are both...

SUSE-SU-2026:2494-1 Security update for the Linux Kernel (Live Patch 69 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.261 fixes various security issues The following security issues were fixed: - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-31504: net: fix fanout UAF in packetrelease via NETDEVUP race...

kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync

A flaw was found in the Linux kernel's Bluetooth Host Controller Interface HCI synchronization. A local user could trigger a stack buffer overflow by binding a specific type of Bluetooth socket with an excessive number of Bluetooth Isochronous Stream BIS entries. This memory corruption can lead t...

kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs

A flaw was found in the Linux kernel's Generic Receive Offload GRO networking subsystem. This vulnerability occurs when skbgroreceive attempts to merge zerocopy socket buffers skbs without properly managing page reference counts, specifically when the SKBFLMANAGEDFRAGREFS flag is set. An attacker...

kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs

A flaw was found in the Linux kernel's Generic Receive Offload GRO networking subsystem. This vulnerability occurs when skbgroreceive attempts to merge zerocopy socket buffers skbs without properly managing page reference counts, specifically when the SKBFLMANAGEDFRAGREFS flag is set. An attacker...

kernel: net/sched: act_pedit: extend the writable skb range per key

A flaw was found in the Linux kernel's traffic control packet editing pedit subsystem. In tcfpeditact, the copy-on-write COW range for skbensurewritable is computed once before iterating over edit keys, but the calculation does not account for runtime header offsets added by typed keys. This can...

Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1864)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1864 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 In the Linux kernel, the following vulnerability has...

Exploit for Server-Side Request Forgery in Vercel Next.Js

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GHSA-Q6V9-43V5-JV9Q CoreWCF: UnixDomainSocket Non-Reentrant POSIX Identity Resolution

Impact Race condition in POSIX peer identity resolution may attribute one connection’s identity to another getpwuid/getgrgid non-reentrant and may crash the host process under contention. Patches Fixed in CoreWCF v1.8.1 and v1.9.1 Workarounds Restrict UDS filesystem permissions so that only trust...

CoreWCF: UnixDomainSocket Non-Reentrant POSIX Identity Resolution

Impact Race condition in POSIX peer identity resolution may attribute one connection’s identity to another getpwuid/getgrgid non-reentrant and may crash the host process under contention. Patches Fixed in CoreWCF v1.8.1 and v1.9.1 Workarounds Restrict UDS filesystem permissions so that only trust...

Expired Pointer Dereference

Overview CoreWCF.UnixDomainSocket is a port of the service side of Windows Communication Foundation WCF to .NET Core. The goal of this project is to enable existing WCF services to move to .NET Core. Affected versions of this package are vulnerable to Expired Pointer Dereference in...

Missing Authentication for Critical Function

Overview CoreWCF.UnixDomainSocket is a port of the service side of Windows Communication Foundation WCF to .NET Core. The goal of this project is to enable existing WCF services to move to .NET Core. Affected versions of this package are vulnerable to Missing Authentication for Critical Function...

GHSA-WJPQ-6766-7F5J CoreWCF: Unix Domain Socket PosixIdentity transport accepts connections that skip the security upgrade

Impact A CoreWCF service hosted on Unix Domain Sockets with the PosixIdentity client credential type UnixDomainSocketBinding with Security.Mode = TransportCredentialOnly and Security.Transport.ClientCredentialType = PosixIdentity does not require the client to perform the application/unixposix...