// Blog

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Practical guides on speed, connectivity, privacy and networking.

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迟到 9 + length 字节的检查:CVE-2026-88975,http4s Ember HTTP/2 帧校验为何形同虚设

CVE-2026-88975(CVSS 3.1 7.5,CWE-400)是 http4s Ember HTTP/2 实现的未认证资源消耗漏洞:读循环在缓冲完整 9 + length 字节之前不做任何帧大小校验,对端可以在 9 字节帧头里声明一个接近 24 位上限的单帧长度,并持续发送接近 16 MiB、但仍不足额的负载,使当前未完成帧的累积缓冲 acc 驻留约 16 MiB——约为 16…

October 1, 2026 Read →
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New Release: Tor Browser 15.0.24

Tor Browser 15.0.24 is now available from the Tor Browser download page and also from our distribution directory. This version includes important…

October 1, 2026 Read →
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New Release: Tails 7.14

Changes and updates Update Tor Browser to 15.0.24. Update the Tor client to 0.4.9.13. Update the Linux kernel to 6.12.111. Fixed problems…

October 1, 2026 Read →
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Zygote 注入技术详解及代码分析

Zygote 是 Android 系统中所有应用进程的"祖先",通过 fork() 机制派生新进程。向 Zygote 注入模块 后,后续所有由 Zygote 生成(fork)出的应用进程都会继承该模块,实现向派生模块注入的效果。

September 1, 2026 Read →