关键信息 漏洞概述 类型/严重性: 重要安全更新 主题: tigervnc的安全更新，针对Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions。 描述: 更新修复了tigervnc中的多个漏洞，包括Out-of-Bounds Read、Integer Overflow等。 影响的产品 Red Hat Enterprise Linux Server - AUS 9.2 x86_64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x 修复的漏洞 CVE-2025-49175: Out-of-Bounds Read in X Rendering Extension Animated Cursors CVE-2025-49176: Integer Overflow in Big Requests Extension CVE-2025-49178: Unprocessed Client Request Due to Bytes to Ignore CVE-2025-49179: Integer overflow in X Record extension CVE-2025-49180: Integer Overflow in X Resize, Rotate and Reflect (RandR) Extension 解决方案 参考链接: 应用此更新的详细步骤 参考资料 Red Hat安全更新分类