GHSA-4v2q-64x5-xvrcMediumCVSS 5.3
Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 contains a response splitting...
🔗 CVE IDs covered (1)
📋 Description
Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 contains a response splitting vulnerability in wasi-http p3 that allows guests to set unvalidated content-length headers. Malicious wasip3 guests can splice an existing body into a new response with an incorrect content-length to perform response splitting or injection attacks.
🔗 References (4)
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-9prg-84vf-g5fc
- https://nvd.nist.gov/vuln/detail/CVE-2026-121439
- https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.7-and-49.0.0-before-49.0.4-http-response-splitting-via-wasi-http
- https://github.com/advisories/GHSA-4v2q-64x5-xvrc