关键漏洞信息 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 6 Extended Lifecycle Support - EXTENSION。 影响的产品 Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64 Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386 Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x 固定的CVE编号 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 参考文档: https://access.redhat.com/articles/17258 参考链接 安全分类: https://access.redhat.com/security/updates/classification/#important