Zombie COTables: Resurrecting Freed Memory to Escape VirtualBox
By Luca Ginex Overview This blog post discusses a use-after-free vulnerability that we found in VirtualBox in 2025. This vulnerability was patched on Oracle Critical Patch Update – January 2026. The vulnerability was also presented, along with others, at OffensiveCon 2026. This post describes the exploitation process for the vulnerability on a Linux system. First, a ... Read more Zombie COTables: Resurrecting Freed Memory to Escape VirtualBox The post Zombie COTables: Resurrecting Freed Memory to Escape VirtualBox appeared first on Exodus Intelligence .
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Canonical link: https://blog.exodusintel.com/2026/06/15/zombie-cotables-resurrecting-freed-memory-to-escape-virtualbox/