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A vulnerability, which was classified as critical, has been found in Red Hat Enterprise Linux 6/7/8/9. This affects the function XkbSizeKeySyms of the component X.org X11 Server/TigerVNC. This manipulation causes heap-based buffer overflow. This vulnerability is registered as CVE-2025-26596. The attack needs to be launched locally. No exploit is available.

A vulnerability classified as critical was found in Red Hat Enterprise Linux 6/7/8/9. Affected by this issue is the function XkbVModMaskText of the component X.org X11 Server/TigerVNC. The manipulation results in stack-based buffer overflow. This vulnerability is cataloged as CVE-2025-26595. The attack must be initiated from a local position. There is no exploit available.

A vulnerability described as critical has been identified in Red Hat Enterprise Linux 6/7/8/9. Affected is an unknown function of the component X.org X11 Server/TigerVNC. Executing a manipulation can lead to use after free. This vulnerability is tracked as CVE-2025-26594. The attack is restricted to local execution. No exploit exists.

A vulnerability categorized as critical has been discovered in Cisco Unified Communications Manager. This issue affects some unknown processing of the component WebDialer Service. Executing a manipulation can lead to server-side request forgery. This vulnerability is tracked as CVE-2026-20230. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

A vulnerability, which was classified as critical, was found in GNOME GLib. This affects the function bytestring_parse/string_parse of the component GVariant Parser. The manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2025-14087. The attack may be launched remotely. There is no exploit available.

A vulnerability, which was classified as critical, has been found in GNOME Glib. This impacts the function escape_byte_string of the component Remote Fileystem Handler. The manipulation leads to integer overflow. This vulnerability is documented as CVE-2025-14512. The attack can be initiated remotely. There is not any exploit available.

A vulnerability, which was classified as critical, has been found in X.org X11 Server. This affects an unknown function of the component Attachments Handler. The manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2026-50264. The attack can only be performed from a local environment. No exploit is available.

A vulnerability, which was classified as critical, was found in X.org X11 Server. This impacts the function SyncChangeCounter. The manipulation results in use after free. This vulnerability is identified as CVE-2026-50261. The attack is only possible with local access. There is not any exploit available.

A vulnerability has been found in X.org X11 Server and classified as problematic. Affected is the function __glXDisp_ChangeDrawableAttributes. This manipulation causes out-of-bounds read. This vulnerability is tracked as CVE-2026-50262. The attack is restricted to local execution. No exploit exists.

A vulnerability was found in X.org X11 Server and classified as critical. Affected by this vulnerability is the function CreateSaverWindow. Such manipulation leads to use after free. This vulnerability is listed as CVE-2026-50263. The attack must be carried out locally. There is no available exploit.

阅读： 9管理数据的第一步，是理解数据；保护数据的第一步，是定义数据。在数字化办公时代，文档已成为企业最核心的资产之一，但在日常管控中却常常面临诸多困境：一份

6月7日晚上19:30，直播间不见不散！

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环境异常 当前环境异常，完成验证后即可继续访问。 去验证

一图读懂 | 国家标准GB/T 20274.2-2026《网络安全技术 信息系统安全保障评估框架 第2部分：安全保障要求》

A vulnerability was found in X.org X11 Server. It has been declared as critical. The impacted element is the function CheckKeyTypes. The manipulation results in stack-based buffer overflow. This vulnerability is reported as CVE-2026-50258. The attack requires a local approach. No exploit exists.

A vulnerability was found in X.org X11 Server. It has been rated as critical. This affects the function _XkbSetMapChecks. This manipulation causes stack-based buffer overflow. This vulnerability appears as CVE-2026-50259. The attack requires local access. There is no available exploit. Upgrading the affected component is advised.

A vulnerability categorized as critical has been discovered in X.org X11 Server. This impacts the function FreeCounter. Such manipulation leads to use after free. This vulnerability is traded as CVE-2026-50260. An attack has to be approached locally. There is no exploit available.