🌈✨ What a lucky Friday! Thrilled to announce I'll be speaking at #offbyone2025! 🚀 Can't wait to see you all!! 🔥 Off-By-One Conference

🌟 What a lucky day today! My visa application got approved! 🎉 Can't wait to see you all in Seoul soon! ✈️🇰🇷 #VisaApproved

Just had an amazing two days at #Zer0Con2025! 🚀 But now, two urgent missions: 1️⃣ Time to DITCH this restrictive phone! 📱 I will install Signal BEFORE going to Singapore🚨 2️⃣ English bootcamp mode: ACTIVATED! 💡Sorry for the inconvenience caused😭

Zhou Ji'an (azraelxuemo) is a security engineer at Alibaba Cloud, focusing on Java, & cloud-native security. Together with Zhu Ying and Lzy, they share a new Java Database Connectivity (JDBC) attack that affects a wide range of JDBC drivers. More info: linkedin.com/posts/off-by-o…

Super Idol !!!!

Hello to Zhou Ji'an, & team Zhu Ying, lzy. 𝐉𝐀𝐀𝐒 𝐢𝐬 𝐀𝐥𝐥 𝐘𝐨𝐮 𝐍𝐞𝐞𝐝: 𝐑𝐞𝐯𝐢𝐯𝐢𝐧𝐠 𝐉𝐃𝐁𝐂 𝐀𝐠𝐚𝐢𝐧 𝐚𝐧𝐝 𝐀𝐠𝐚𝐢𝐧, a ⚡ power-packed presentation, keeping us at the edge of our 🪑 seat at Off-By-One Conference 2025!

Very honored to be selected!!🥳🥳🥳 Hope I can get the Visa and see you in LAS VEGAS!! Black Hat

Recently, I’ve been working on a heap overflow exploit. The whole process has been quite interesting, involving some JIT optimization as well. I’d also like to thank my good friends Qu and zraxx for their inspiration. This is also one of the PoCs for CVE-2025-32434.