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Products as named in CPE, with their records.

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98 records

Priority LOW 27

Wasmtime before 36.0.19, 37.0.0 before 48.0.7, and 49.0.0 before 49.0.4 contains a request smuggling vulnerability in wasi-http that allows guests to set multiple conflicting content-length headers.

CVSS 4.0MEDIUM 6.3 Network No auth No interaction EPSS 0.00224 Published 2026-11-03 Partial fix · 36.0.19, 48.0.7 +1 CWE-444
Priority LOW 27

Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 fails to check forwarded trailers against the WasiHttpHooks::is_forbidden_header hook in wasi-http p3.

CVSS 4.0MEDIUM 6.3 Network No auth No interaction EPSS 0.00224 Published 2026-11-03 Partial fix · 48.0.7, 49.0.4 CWE-424
Priority LOW 30

Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 contains a response splitting vulnerability in wasi-http p3 that allows guests to set unvalidated content-length headers.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00193 Published 2026-11-03 Partial fix · 48.0.7, 49.0.4 CWE-444
Priority LOW 26

Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability that allows guest code to trigger a host panic through out-of-bounds zero-length stream operations.

CVSS 4.0MEDIUM 5.9 Network Low privileges User interaction EPSS 0.00212 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-129
Priority LOW 26

Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability where dropping the Future returned by TypedFunc::call_async can panic the host.

CVSS 4.0MEDIUM 5.9 Network Low privileges User interaction EPSS 0.00254 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-617
Priority LOW 37

Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability that allows malicious Wasm modules to panic the host because the may_leave flag is not cleared during realloc.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00372 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-1265
Priority LOW 26

Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability that allows malicious components to panic the host via thread.yield in start functions.

CVSS 4.0MEDIUM 5.9 Network Low privileges User interaction EPSS 0.00208 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-372
Priority LOW 26

Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a leftover assertion in component::Func::call that rejects guest exports using the async ABI option.

CVSS 4.0MEDIUM 5.9 Network Low privileges User interaction EPSS 0.00208 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-617
Priority LOW 26

Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability that allows pending calls to trigger an assertion failure after a trap poisons the Store.

CVSS 4.0MEDIUM 5.9 Network Low privileges User interaction EPSS 0.00254 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-617
Priority LOW 37

Wasmtime 42.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a stack overflow vulnerability that allows guests to crash the host through recursive type drops.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00399 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-674
TI-2026-82654 CVE-2026-119136 · GHSA-xp2q-mv29-hr2p

Wasmtime Async-Entrypoint Enforcement Bypass

Priority LOW 26

Wasmtime 42.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains insufficient checks in Store when mixing async-style and sync-style WebAssembly calls.

CVSS 4.0MEDIUM 5.9 Network Low privileges User interaction EPSS 0.00208 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-1265
Priority LOW 26

Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 panics when the host reads a component model stream as a different Rust item type than it was created with, because the host-to-host read path asserts matching TypeI…

CVSS 4.0MEDIUM 5.9 Network Low privileges User interaction EPSS 0.00208 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-617
Priority LOW 29

Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 caps component-model resource handle tables only per component instance and does not charge handle allocations to any ResourceLimiter or StoreLimits…

CVSS 4.0MEDIUM 6.9 Local No auth No interaction EPSS 0.00153 Published 2026-10-29 Partial fix · 36.0.18, 48.0.6 +1 CWE-770
Priority LOW 11

Wasmtime 47.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a memory misalignment flaw in VMContext layout that causes undefined behavior when modules contain an odd number of exception tags.

CVSS 4.0LOW 2.1 Network Low privileges User interaction EPSS 0.0021 Published 2026-10-29 Partial fix · 48.0.6, 49.0.3 CWE-758
Priority LOW 26

Wasmtime from 49.0.0 before 49.0.3 contains a denial-of-service vulnerability that allows a WebAssembly guest to trigger a host panic by transcoding overlapping strings in fused adapters.

CVSS 4.0MEDIUM 5.9 Network Low privileges User interaction EPSS 0.00212 Published 2026-10-29 Partial fix · 49.0.3 CWE-617
Priority LOW 36

Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability in wasmtime-wasi-http that lets guests crash the host by sending long request URLs.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00304 Published 2026-10-29 Fixed in 48.0.6, 49.0.3 CWE-190
Priority LOW 11

Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 does not verify that set-path-with-query values in wasmtime-wasi-http are paths, so absolute-form URLs are written verbatim as the HTTP/1.1 request…

CVSS 4.0LOW 2.1 Network Low privileges User interaction EPSS 0.00236 Published 2026-10-29 Fixed in 36.0.18, 48.0.6 +1 CWE-20
Priority MEDIUM 40

wasmtime-wasi in Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 re-appends a trailing slash to rename source paths, causing renameat on macOS and FreeBSD hosts to follow directory symlinks.

CVSS 4.0HIGH 8.8 Network Low privileges User interaction EPSS 0.00242 Published 2026-10-28 Fixed in 36.0.18, 48.0.6 +1 CWE-61
Priority LOW 5

Wasmtime before 24.0.12, 25.0.0 before 36.0.13, 37.0.0 before 46.0.2, and 47.0.0 before 47.0.3 contains a type confusion vulnerability because several Store APIs fail to validate that objects belong to the Store's Engine…

CVSS 4.0LOW 1.0 Local High privileges User interaction EPSS 0.00092 Published 2026-10-22 Partial fix · 24.0.12, 36.0.13 +2 CWE-787
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