Python Software Foundation

CVE-2026-116566: socket.getaddrinfo() previously accepted null bytes within host and port parameters which can cause the values to be silently truncated.

CVE-2026-116566 Oct 29, 2026 Source: Vendor

socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-116566

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CVE-2026-116566 BR2026-0000-038308 unclaimed

Credited as Venukamatchi

CVE-2026-116566: socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.

Credited

CVE-2026-116566: socket.getaddrinfo() previously accepted null bytes within host and port parameters which can cause the values to be silently truncated.