crates.io/deno CVE-2026-55517: medium 4.3
Deno: Denial of service via non-ASCII bytes in WebSocket response headers
Action: Upgrade deno to 2.7.5 or later.
cargo update -p deno --precise 2.7.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.7.5 | - |
Fixed versions
| 2.7.5 |
Sources
- osv: GHSA-x2qc-cmh9-f4hf
- https://github.com/denoland/deno/security/advisories/GHSA-x2qc-cmh9-f4hf
- https://github.com/denoland/deno
CVE-2026-55517 · published · modified · JSON