CVE-2026-63374
2026-09-22
16h17 +00:00
16h17 +00:00
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Mô tả CVE
AnyIO is a high level asynchronous concurrency and networking framework that works on top of either Trio or asyncio. Prior to 4.14.2, connect_tcp() and TLSStream.wrap() can validate internationalized host names after the standard library converts them with IDNA 2003 instead of IDNA 2008. When a connection to a non-ASCII domain is hijacked or redirected, an attacker can obtain a legitimate certificate for the different ASCII hostname produced by IDNA 2003 and present it to the client, causing the malicious endpoint's certificate to validate. This issue is fixed in version 4.14.2.
Thông tin CVE
Điểm yếu liên quan
| Tên điểm yếu | Nguồn | |
|---|---|---|
| Improper Certificate Validation The product does not validate, or incorrectly validates, a certificate. |
||
| Improper Validation of Certificate with Host Mismatch The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host. |
