RUSTSEC-2026-0357Published
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Panic via Zero-Length Stream Writes
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-119143 · Microsoft / collected KEV context
cve-program · CVE-2026-119143
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-93g3-36p8-x2gc
- https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.6-and-49.0.0-before-49.0.3-panic-via-zero-length-stream-writes
euvd · EUVD-2026-113210
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-93g3-36p8-x2gc
- https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.6-and-49.0.0-before-49.0.3-panic-via-zero-length-stream-writes
nvd · CVE-2026-119143
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-93g3-36p8-x2gc
- https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.6-and-49.0.0-before-49.0.3-panic-via-zero-length-stream-writes
osv · RUSTSEC-2026-0357
Related operational evidence
Explicit CVE identifiers- 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. Malicious guests can perform zero-length c… · Advisory content revised · 5 Nov 2026
- Out-of-bounds zero-length stream writes can panic · Advisory content revised · 30 Oct 2026
- Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Panic via Zero-Length Stream Writes · Newly collected advisory · 29 Oct 2026