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CVE-2026-115391 Wasmtime 46.0.0 before 46.0.3 and 47.0.0 before 47.0.4 Unbounded Heap Allocation via WASIp3 Streams

🗓️ 22 Oct 2026 19:13:57Reported by GoogleType 
osv_cve
 osv_cve
🔗 osv.dev

Unbounded heap allocation in Wasmtime WASIp3 streams allows host memory exhaustion.

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23 Oct 2026 10:55Current
6.1Medium risk
Vulners AI Score6.1
CVSS 46.9
0