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Guest controlled-size host heap allocation through WASIp3 streams

🗓️ 20 Aug 2026 12:00:00Reported by rustsecType 
rustsec
 rustsec
🔗 rustsec.org👁 20 Views

Guest-controlled-size host heap allocation in Wasmtime via WASIp3 streams.

Related
Detection
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-115391
22 Oct 202619:54
–circl
cnnvd
CNNVD
Bytecode Alliance wasmtime resource management error vulnerability
22 Oct 202600:00
–cnnvd
cve
CVE
CVE-2026-115391
22 Oct 202619:13
–cve
cvelist
Cvelist
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 202619:13
–cvelist
debiancve
Debian CVE
CVE-2026-115391
22 Oct 202619:13
–debiancve
euvd
EUVD
EUVD-2026-108324
22 Oct 202619:13
–euvd
mend
Mend
CVE-2026-115391
22 Oct 202619:13
–mend
nvd
NVD
CVE-2026-115391
22 Oct 202619:17
–nvd
osv_rustsec
osv_rustsec
RUSTSEC-2026-0268 Guest controlled-size host heap allocation through WASIp3 streams
20 Aug 202612:00
–osv_rustsec
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-115391
26 Oct 202600:00
–osv_ubuntu
Rows per page
Vulners
Node
OR
bytecodealliancewasmtimeRange46.0.0–46.0.3rust
bytecodealliancewasmtimeRange47.0.0–47.0.4rust

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24 Oct 2026 06:25Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.8
CVSS 46.9
EPSS0.00172
20