EUVD-2026-31258

libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call to wait for data to become available. However, it does not verify that its socket descriptor fits within select2's descriptor set size limit of FDSETSIZE 1024. An attacker able to cause an...

CVE-2026-45251 Kernel use-after-free via file descriptor syscalls

A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains blocked. In this situation, t...

CVE-2026-45251

A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains blocked. In this situation, t...

EUVD-2026-31256

A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains blocked. In this situation, t...

CVE-2026-45251

CVE-2026-45251 describes a kernel use-after-free vulnerability: a file descriptor can be closed while a thread is blocked in poll(2)/select(2). The blocked thread does not hold a reference to the underlying object, so freeing the object may occur while the thread is still waiting. In some fd type...

FreeBSD 资源管理错误漏洞

FreeBSD is a Unix-like operating system developed by the FreeBSD Foundation. There is a resource management vulnerability in FreeBSD. This vulnerability arises from threads being blocked during poll or select calls when file descriptors are closed. The kernel fails to remove the blocked threads...

FreeBSD : FreeBSD -- select(2) file descriptor set overflow causes stack overflow (90fe1784-54b6-11f1-8d7a-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 90fe1784-54b6-11f1-8d7a-bc241121aa0a advisory. libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call...

FreeBSD : FreeBSD -- Kernel use-after-free via file descriptor syscalls (ee21f41f-54b5-11f1-8d7a-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the ee21f41f-54b5-11f1-8d7a-bc241121aa0a advisory. A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that...

Astra Linux - уязвимость в xorg-server

A vulnerability was discovered in X.Org. This security flaw occurs because the handler for the XvdiSelectVideoNotify request may write to memory after it has been freed. This issue can lead to local privileges escalation on systems where X is used...

Astra Linux - уязвимость в firefox, thunderbird

An attacker could cause a select dropdown menu to be displayed over another tab; this could lead to user confusion and potential spoofing attacks. This vulnerability affects Firefox 133, Firefox ESR 128.5, Thunderbird 133, and Thunderbird 128.5...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: The port select structure is cleared when attempting to create it. The port select structure is cleared in case of an error, so no stale values remain after the definers are destroyed. This is because the...

Astra Linux - уязвимость в sqlite3

The flattenSubquery in select.c in SQLite 3.30.1 mishandles certain uses of SELECT DISTINCT involving a LEFT JOIN where the right-hand side is a view. This can lead to a NULL pointer dereference or incorrect results...

FreeBSD Security Advisory - FreeBSD-SA-26:22.libcasper

FreeBSD Security Advisory - libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call to wait for data to become available. However, it does not verify that its socket descriptor fits within select2's descriptor set size limit of FDSETSIZE 1024...

FreeBSD -- select(2) file descriptor set overflow causes stack overflow

Problem Description: libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call to wait for data to become available. However, it does not verify that its socket descriptor fits within select2's descriptor set size limit of FDSETSIZE 1024. Impact: An...

FreeBSD-SA-26:22.libcasper

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:22.libcasper Security Advisory The FreeBSD Project Topic: select2 file descriptor set overflow causes stack overflow Category: core Module: libcasper...

FreeBSD-SA-26:19.file

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:19.file Security Advisory The FreeBSD Project Topic: Kernel use-after-free via file descriptor syscalls Category: core Module: file Announced: 2026-05-20...

FreeBSD -- Kernel use-after-free via file descriptor syscalls

Problem Description: A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains blocked...

freerdp: FreeRDP has a heap-buffer-overflow in urb_select_interface

A heap buffer overflow has been discovered in FreeRDP. The URBDRC client uses server-supplied interface numbers as array indices without bounds checks, causing an out-of-bounds read in libusbudevselectinterface...

firefox: thunderbird: Select list elements could be shown over another site

A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could cause a select dropdown to be shown over another tab; this could have led to user confusion and possible spoofing attacks...

SAP HANA Deployment Infrastructure deploy library SQL注入漏洞

SAP HANA Deployment Infrastructure deploy library is a deployment support library developed by SAP, a German company, for the deployment and lifecycle management of SAP HANA applications. The SAP HANA Deployment Infrastructure deploy library contains a SQL injection vulnerability. This...