VUSec
@vusec.net
Security Research Group at @vuamsterdam.
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- LinkedIn: https://linkedin.com/company/vusec
- Mastodon: https://infosec.exchange/@vusec
- X: https://x.com/vu5ec
- Web: https://vusec.net
Disclosing Branch Target Reuse (BTR): speculative execute-after-free in JIT engines. Code gets freed, but branch predictions survive. BTR exploits this mismatch to mount practical Spectre-v2 attacks (cBPF /etc/shadow exploit demo below). Details at: vusec.net/projects/btr
September 29, 2026 at 5:12 PM
Disclosing Branch Target Reuse (BTR): speculative execute-after-free in JIT engines. Code gets freed, but branch predictions survive. BTR exploits this mismatch to mount practical Spectre-v2 attacks (cBPF /etc/shadow exploit demo below). Details at: vusec.net/projects/btr