Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Host Panic via call_async Drop

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-119142 · Microsoft / collected KEV context

EUVD-2026-113209

GHSA-x9q9-vvfc-mrm5

RUSTSEC-2026-0354

GHSA-3r89-v5mq-j5xf

cve-program · CVE-2026-119142

• https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-3r89-v5mq-j5xf
• https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.6-and-49.0.0-before-49.0.3-host-panic-via-call-async-drop

euvd · EUVD-2026-113209

• https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-3r89-v5mq-j5xf
• https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.6-and-49.0.0-before-49.0.3-host-panic-via-call-async-drop

nvd · CVE-2026-119142

• https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-3r89-v5mq-j5xf
• https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.6-and-49.0.0-before-49.0.3-host-panic-via-call-async-drop

osv · RUSTSEC-2026-0354

• https://crates.io/crates/wasmtime
• https://rustsec.org/advisories/RUSTSEC-2026-0354.html
• https://github.com/bytecodealliance/wasmtime/pull/14741

• Host panic when component `call_async` is cancelled under some conditions · Advisory content revised · 30 Oct 2026
• Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Host Panic via call_async Drop · Newly collected advisory · 29 Oct 2026