Bump wasmtime from 48.0.5 to 49.0.2

[dependabot]

Bumps wasmtime from 48.0.5 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

v49.0.1

49.0.1

Released 2026-09-24.

Fixed

• Do not drop fuel-spend accrued by callees of call_ref and callees that return via exception throws. GHSA-m63x-6p34-q65x

• Fix fuel spend for dynamic record lifting. GHSA-jqpg-j7w6-42pr

• Fix host memory exhaustion on outgoing HTTP body write. GHSA-c9gc-w9vx-w86p

• wasmtime-wasi: Fix panic on out-of-range datetimes in WASI filesystem set-times, set-times-at.

... (truncated)

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

---

49.0.1

Released 2026-09-24.

Fixed

• Do not drop fuel-spend accrued by callees of call_ref and callees that return via exception throws. GHSA-m63x-6p34-q65x

• Fix fuel spend for dynamic record lifting. GHSA-jqpg-j7w6-42pr

• Fix host memory exhaustion on outgoing HTTP body write. GHSA-c9gc-w9vx-w86p

• wasmtime-wasi: Fix panic on out-of-range datetimes in WASI filesystem set-times, set-times-at. GHSA-j2g9-4prp-pf6h

... (truncated)

Commits

• 3c8a3e7 Release Wasmtime 49.0.2 (#14474)
• 63609c8 [49.0.x] Combined backports and fixes for today's security release (#14477)
• 46c23a8 Release Wasmtime 49.0.1 (#14401)
• 74657a7 Fix four vulnerabilities in Wasmtime v49. (#14406)
• 17830bd Release Wasmtime 49.0.0 (#14363)
• 18efdb6 Update release notes (#14322)
• 51387c9 Drop cached compiler contexts between modules/components (#14314) (#14321)
• 9847e1b [49.0.0] Backport some recent fixes/improvements from main (#14306)
• 62ef0a5 Release Wasmtime 49.0.0-rc.1 (#14283)
• cb4c215 Limit alias regions in Wasm-to-CLIF translation to 256 (#14253)
• Additional commits viewable in compare view

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