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Source channel @githubtrending · Post #15037 · Aug 8

#other The FFmpeg School of Assembly Language teaches you how assembly code is written in FFmpeg, helping you understand what happens inside your computer. To join, you should know C programming (especially pointers) and basic high school math. The lessons include assignments and a Discord server for questions. By completing them, you can contribute to FFmpeg, a powerful video processing tool that uses assembly to speed up tasks dramatically—sometimes up to 94 times faster with special instructions like AVX-512. Learning this helps you write highly efficient code for video and multimedia processing, improving performance in real-world applications. https://github.com/FFmpeg/asm-lessons

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@kejiqu · Post #3997 · 12/25/2025, 12:26 AM

WordPress 头部插件曝 9/10 分高危漏洞,官方连发三补丁全失效 WordPress 缓存插件 W3 Total Cache 遭遇严重安全漏洞(CVE-2025-9501),该插件安装量超过100万。漏洞源于插件处理动态内容时使用 PHP 的 eval() 函数,允许攻击者通过在评论中注入代码执行恶意指令。研究人员指出,W3 Total Cache 针对该漏洞发布的2.8.13、2.8.14和2.8.15三个补丁均未能有效修复,存在逻辑缺陷可被绕过。漏洞利用需要攻击者获取 W3TC_DYNAMIC_SECURITY 安全令牌,且网站需允许未登录用户发布评论并开启页面缓存功能。安全专家建议管理员立即审计安全令牌的唯一性,限制未验证用户的评论权限,并审查近期评论日志。IT之家 🏷#W3#Total#Cache#CVE#WordPress 📢频道👥群组📝投稿