Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 Unbounded Memory Growth via Component-Model Resource Handles

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

CVE-2026-119134 · Microsoft / collected KEV context

EUVD-2026-113201

GHSA-59gg-q3p6-vwvr

RUSTSEC-2026-0363

GHSA-q554-3cjc-rx7p

cve-program · CVE-2026-119134

• https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q554-3cjc-rx7p
• https://www.vulncheck.com/advisories/wasmtime-before-36.0.18-37.0.0-before-48.0.6-and-49.0.0-before-49.0.3-unbounded-memory-growth-via-component-model-resource-handles

euvd · EUVD-2026-113201

• https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q554-3cjc-rx7p
• https://www.vulncheck.com/advisories/wasmtime-before-36.0.18-37.0.0-before-48.0.6-and-49.0.0-before-49.0.3-unbounded-memory-growth-via-component-model-resource-handles

nvd · CVE-2026-119134

• https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q554-3cjc-rx7p
• https://www.vulncheck.com/advisories/wasmtime-before-36.0.18-37.0.0-before-48.0.6-and-49.0.0-before-49.0.3-unbounded-memory-growth-via-component-model-resource-handles

osv · RUSTSEC-2026-0363

• https://crates.io/crates/wasmtime
• https://rustsec.org/advisories/RUSTSEC-2026-0363.html
• https://github.com/bytecodealliance/wasmtime/pull/14732

• Component-model handle tables are capped only per instance and charged to no limit · Advisory content revised · 30 Oct 2026
• Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 Unbounded Memory Growth via Component-Model Resource Handles · Newly collected advisory · 29 Oct 2026