Bump wasmtime from 49.0.1 to 49.0.2

[dependabot]

Bumps wasmtime from 49.0.1 to 49.0.2.

Release notes

Sourced from wasmtime's releases.

v49.0.2

49.0.2

Released 2026-10-02.

Fixed

• WASI preview 0 implementation of poll_oneoff circumvents fuel consumption. GHSA-j366-h8gg-77pm

• Excessive allocated memory on the host when guests don't have stdio. GHSA-gqmc-89g8-p25r

• fd_readdir copies uninitialized struct padding into guest memory. GHSA-96f6-r43r-8c24

• Guest can panic host through filesystem timestamp before the epoch on wasip3. GHSA-mr2v-56j5-cmfc

• Wasmtime component async-lifted callback result count is unvalidated, causing a native stack buffer overflow. GHSA-32h6-97mm-8q3c

• Mis-typed WebAssembly tag imports can lead to GC heap corruption. GHSA-cfhf-m2cr-62wj

• Wasmtime wasi:http implementation panics with a zero timeout supplied. GHSA-w4qr-p94g-mjhv

• Rooting for GC values live across try_call may be missing, causing GC heap corruption. GHSA-hw8m-q44c-ggrf

Changelog

Sourced from wasmtime's changelog.

49.0.2

Released 2026-10-02.

Fixed

• WASI preview 0 implementation of poll_oneoff circumvents fuel consumption. GHSA-j366-h8gg-77pm

• Excessive allocated memory on the host when guests don't have stdio. GHSA-gqmc-89g8-p25r

• fd_readdir copies uninitialized struct padding into guest memory. GHSA-96f6-r43r-8c24

• Guest can panic host through filesystem timestamp before the epoch on wasip3. GHSA-mr2v-56j5-cmfc

• Wasmtime component async-lifted callback result count is unvalidated, causing a native stack buffer overflow. GHSA-32h6-97mm-8q3c

• Mis-typed WebAssembly tag imports can lead to GC heap corruption. GHSA-cfhf-m2cr-62wj

• Wasmtime wasi:http implementation panics with a zero timeout supplied. GHSA-w4qr-p94g-mjhv

• Rooting for GC values live across try_call may be missing, causing GC heap corruption. GHSA-hw8m-q44c-ggrf

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Commits

• 3c8a3e7 Release Wasmtime 49.0.2 (#14474)
• 63609c8 [49.0.x] Combined backports and fixes for today's security release (#14477)
• See full diff in compare view

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