CVE-2026-116566
Severity not reportedData quality: awaiting analysis.
NVD has not completed analysis, so CVSS and affected-product data may be missing or change.
socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.
socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.
CVSS
—
Awaiting analysis by NVD
Timeline (UTC)
Published: 2026-10-29 18:17
Modified: 2026-10-30 01:16
NVD status: Awaiting Analysis
Last synced 5 hours ago
Verified against the source API 2026-10-30 01:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/python/cpython/commit/131a3a66c5f400b588f9fd2732a5ed4e89623ee3 cna@python.org
- https://github.com/python/cpython/issues/160898 cna@python.org
- https://github.com/python/cpython/pull/160899 cna@python.org
- https://mail.python.org/archives/list/security-announce@python.org/thread/HCHE62VYTPYI6WOP... cna@python.org
- http://www.openwall.com/lists/oss-security/2026/10/29/4 af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 01:37 UTC · record ↗