Security Bulletin: pyOpenSSL TLS SNI Callback Exception Handling Flaw Allows Security Bypass

Summary pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 0.14.0 and prior to version 26.0.0, if a user provided callback to settlsextservernamecallback raised an unhandled exception, this would result in a connection being accepted. If a user was relying on this...

CVE-2026-4658

The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the className, classHook, and blockId attributes in the Add to Cart block essential-blocks/add-to-cart in all versions up to, and including, 6.0.4. This...

CVE-2026-7518

A flaw has been found in Open5GS up to 2.7.7. This issue affects the function amfnamfcallbackhandlesdmdatachangenotify of the file /namf-callback/v1/id/sdmsubscription-notify of the component AMF SBI Endpoint. This manipulation of the argument changeItem.newValue causes denial of service. The...

SUSE CVE-2026-31701

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: take a reference on the USB device in createcard The caiaq driver stores a pointer to the parent USB device in cdev-chip.dev but never takes a reference on it. The card's privatefree callback, sndusbcaiaqcardfree, ca...

SUSE CVE-2026-31719

In the Linux kernel, the following vulnerability has been resolved: crypto: krb5enc - fix async decrypt skipping hash verification krb5encdispatchdecrypt sets req-base.complete as the skcipher callback, which is the caller's own completion handler. When the skcipher completes asynchronously, this...

WordPress plugin Essential Blocks 跨站脚本漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. WordPres...

capstone: Capstone: Heap buffer overflow via skipdata callback allows denial of service or arbitrary code execution.

A flaw was found in Capstone, a disassembly framework. A local attacker could exploit a heap buffer overflow vulnerability by providing a specially crafted skipdata callback. This flaw occurs because the skipdata length is not properly bounds-checked, which may allow an attacker to write beyond...

CVE-2026-43021

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

CVE-2026-31756

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: gadget: Fix spinlock/unlock mismatch in dwc2hsotgudcstop dwc2gadgetexitclockgating internally calls callgadget macro, which expects hsotg-lock to be held since it does spinunlock/spinlock around the gadget driver...

CVE-2026-31719

In the Linux kernel, the following vulnerability has been resolved: crypto: krb5enc - fix async decrypt skipping hash verification krb5encdispatchdecrypt sets req-base.complete as the skcipher callback, which is the caller's own completion handler. When the skcipher completes asynchronously, this...

CVE-2026-31701

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: take a reference on the USB device in createcard The caiaq driver stores a pointer to the parent USB device in cdev-chip.dev but never takes a reference on it. The card's privatefree callback, sndusbcaiaqcardfree, ca...

CVE-2026-43021 Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

CVE-2026-43021

CVE-2026-43021 affects the Linux kernel Bluetooth hci_sync path. A failure in hci_cmd_sync_queue_once() can skip calling the destroy callback, causing leaks of references/memory. The issue manifests during error paths, potentially leaving resources allocated for the hci_sync queue. Public discuss...

CVE-2026-43021 Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

CVE-2026-43021

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

EUVD-2026-26620

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

EUVD-2026-26603

In the Linux kernel, the following vulnerability has been resolved: spi: stm32-ospi: Fix resource leak in remove callback The remove callback returned early if pmruntimeresumeandget failed, skipping the cleanup of spi controller and other resources. Remove the early return so cleanup completes...

CVE-2026-43004 spi: stm32-ospi: Fix resource leak in remove() callback

In the Linux kernel, the following vulnerability has been resolved: spi: stm32-ospi: Fix resource leak in remove callback The remove callback returned early if pmruntimeresumeandget failed, skipping the cleanup of spi controller and other resources. Remove the early return so cleanup completes...

CVE-2026-43004

In the Linux kernel, the following vulnerability has been resolved: spi: stm32-ospi: Fix resource leak in remove callback The remove callback returned early if pmruntimeresumeandget failed, skipping the cleanup of spi controller and other resources. Remove the early return so cleanup completes...

CVE-2026-43004 spi: stm32-ospi: Fix resource leak in remove() callback

In the Linux kernel, the following vulnerability has been resolved: spi: stm32-ospi: Fix resource leak in remove callback The remove callback returned early if pmruntimeresumeandget failed, skipping the cleanup of spi controller and other resources. Remove the early return so cleanup completes...