GHSA-368p-492j-h227MediumCVSS 4.8
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability...
🔗 CVE IDs covered (1)
📋 Description
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 component model stream reads or writes with unvalidated addresses, causing Direct{Source,Destination}::remaining to panic and crash WASIp3 embedders.
🔗 References (4)
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-93g3-36p8-x2gc
- https://nvd.nist.gov/vuln/detail/CVE-2026-119143
- 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
- https://github.com/advisories/GHSA-368p-492j-h227