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A flaw was found in Netty's HTTP/2 stack. This vulnerability allows a remote attacker to inject prohibited characters, such as NUL, Line Feed, and Carriage Return, into HTTP/2 header field values due to insufficient validation. When these values cross an HTTP/2 to HTTP/1.1 translation boundary, they can be exploited for request smuggling, header injection, or response splitting. This could lead to unauthorized access, data manipulation, or other security bypasses.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Oracle Missing Cpu Oct 2026 | — | Apply the October 2026 Critical Patch Update (CPU) for Oracle Database | Oct 26, 2026 | Sep 18, 2026 |
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