Divyanshu @_seg_fault__
Vulnerability Research ❤️ seg-fault.gitbook.io 192.168.0.1 Joined December 2018-
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Whoah... $250000 (CVE-2025-4609, similar to CVE-2025-2783/412578726)[412578726][Mojo][IpczDriver]ipcz bug -> renderer duplicate browser process handle -> escape sbx is now open with PoC & exploit(success rate is nearly 70%-80%) issues.chromium.org/issues/4125787… issues.chromium.org/issues/4125787…
Whoah... $250000 (CVE-2025-4609, similar to CVE-2025-2783/412578726)[412578726][Mojo][IpczDriver]ipcz bug -> renderer duplicate browser process handle -> escape sbx is now open with PoC & exploit(success rate is nearly 70%-80%) issues.chromium.org/issues/4125787… issues.chromium.org/issues/4125787… https://t.co/g2FWl24wkc
woah... (CVE-2025-3619)[Critical][media][409619251]Heap-BoF in Codecs(when the size of data to be copied ('copy_size') exceeded the allocated 'buffer_size') chromium-review.googlesource.com/c/chromium/src… chromereleases.googleblog.com/2025/04/stable… Reported by Elias Hohl on 2025-04-09
Leak hole PoC for Chrome in-the-wild vulnerability CVE-2025-6554 published yesterday: github.com/DarkNavySecuri…
When life gives you tangerines🍊 Intern Lin Ze Wei's task: Port a 2-bug exploit to Pixel 6 Pro Problem: One bug "doesn't work" Solution: Make it work with 1 bug Sometimes the best research comes from working with what you think you have starlabs.sg/blog/2025/06-s…
Personal Update: Moved to Spain for Vulnerability Research. Hopefully better bugs and more beautiful exploits this year :)🤞🤞
Compromised renderer can control your mouse and escape sbx (reward: $50000) crbug.com/370856871
Amazing... He is a real hacker. cylab.cmu.edu/news/2025/01/0…
I have posted the slides for the talk @chompie1337 and I gave this past weekend at @h2hconference -> The Kernel Hacker’s Guide to the Galaxy: Automating Exploit Engineering Workflows #H2HC github.com/FuzzySecurity/…
I wrote an explained writeup for a windows kernel ctf challenge that came in Sekai Ctf 2024 . The author of the challenge is @bienpnn . This is a nice challenge for those who want to try windows kernel. I also learnt something new. Thanks @bienpnn . nu1lptr0.github.io/2024/10/10/win…
This patch day, Microsoft introduced new garbage collection mechanism in win32k. In addition to the previously introduced type isolation mechanism, there is now garbage collection, making it more difficult to control the heap feng shui.
Wrote a thing at seg-fault.gitbook.io/researchs/wind… N-day analysis of CVE-2023-29360 Feedbacks welcomed. Tried to keep it short and crisp!
My VR journey so far is like 4 bugs, 1 doesn't work on the latest version due to unknown fix my MS, 1 bug found by XYZ person at Pwn2Own, 1 bug reported by someone else a bit before me and a new bug that seems to be un-exploitable :( Sucks to the core but gotta keep going !
The results are in! We're proud to announce the Top 10 Web Hacking Techniques of 2023! portswigger.net/research/top-1…
From a VR student today on our ROP chain lessons. I'm dying 😂: "This week's been like"
The most memorable event of my life so far comes to an end :) Time to get back to grinding !
My first coin ! A year ago even in my dreams I could have never imagined getting myself one. Had only seen others getting such things. A huge thing for me and something I'm never gonna forget in my life. Thanks to Google for making this happen. Security Research ❤️
Wrote a thing at divyanshu-mehta.gitbook.io/researchs/wind… My first exploit dev for kernel. Lots to learn
Research that made me $50k+ in bounties
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