CVE-2026-115391
5.8 MEDIUMpublic exploit availablePublished 2026-10-22 · Updated 2026-10-22
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
Wasmtime 46.0.0 before 46.0.3 and 47.0.0 before 47.0.4 contains an uncontrolled resource allocation vulnerability in its WASIp3 implementation that buffers guest-specified-length writes on the host without limit. Malicious guests can offer large buffers to WASIp3 file or HTTP write streams, causing the host to copy and buffer all bytes, bounded only by guest linear memory, exhausting host memory.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H
Weaknesses
CWE-770
Public exploit & PoC references
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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