The vulnerability of Microsoft Office packages and 365 Apps for Enterprise lies in the use of memory after it is freed, allowing an attacker to execute arbitrary code.

The vulnerability of Microsoft Office packages and 365 Apps for Enterprise lies in the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

CVE-2026-64563

The CVE-2026-64563 entry describes a use-after-free in Linux kernel’s rhashtable when a table is freed during a resize and iter->p is not cleared, causing rhashtable_walk_next() to dereference freed memory. Affected paths include multi-fragment walks across walk_stop/walk_start; concrete calle...

EUVD-2026-52604

In the Linux kernel, the following vulnerability has been resolved: rhashtable: clear stale iter-p on table restart rhashtablewalkstartcheck has two restart paths when resuming a walk. When iter-walker.tbl is valid, it re-validates iter-p against the table and sets iter-p = NULL if the object is...

kernel: ipc: limit next_id allocation to the valid ID range

A flaw was found in the Linux kernel. The ipcidralloc function, used in the checkpoint/restore path for SysV Inter-Process Communication IPC ID allocation, does not properly limit ID allocation to the valid range. This can result in the system attempting to dereference freed memory, leading to a...

EUVD-2026-52527

Use after free in Microsoft Edge Chromium-based allows an unauthorized attacker to execute code over a network...

EUVD-2026-52536

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network...

CVE-2026-66315

Use after free in Microsoft Edge Chromium-based allows an unauthorized attacker to execute code over a network...

CVE-2026-62870

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network...

CVE-2026-66315

Use after free in Microsoft Edge Chromium-based allows an unauthorized attacker to execute code over a network...

CVE-2026-67299

A flaw was found in FreeRDP. A malicious or compromised Remote Desktop Protocol RDP server can exploit a heap use-after-free vulnerability when a client connects with asynchronous updates enabled. By sending a specially crafted Window Alternate Secondary Order message, the server can trigger memo...

RLSA-2026:47104 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: libaom: libaom: heap buffer overflow in AV1 encoder first-pass stats buffer via LAP mode CVE-2026-56208 firefox: thunderbird: Site isolation issue in the DOM: Navigation...

firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to use-after-free in the Disability Access APIs component...

firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to use-after-free in the Disability Access APIs component...

firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the WebRTC: Audio/Video component...

firefox: thunderbird: Sandbox escape due to use-after-free in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to use-after-free in the DOM: Navigation component...

CVE-2026-67300

A flaw was found in FreeRDP. This client-side heap use-after-free vulnerability occurs when a malicious or compromised Remote Desktop Protocol RDP server sends specially crafted update orders. The async update message proxy incorrectly handles memory by shallow-copying structures with pointers th...

firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the WebRTC: Audio/Video component...

firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to use-after-free in the Disability Access APIs component...

firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to use-after-free in the Disability Access APIs component...

firefox: thunderbird: Sandbox escape due to use-after-free in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to use-after-free in the DOM: Navigation component...