What is CVE-2026-71217?

CVE-2026-71217 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-08-11.

How severe is CVE-2026-71217?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Red Hat Enterprise Linux 10

CVE-2026-71217

A flaw was found in iperf3. A remote attacker can exploit this vulnerability by sending crafted control-channel JSON with oversized numeric parameters, such as `parallel` and `len`, which are not properly validated by the server. This impr…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
RHBZ#2460984 (x_refsource_REDHAT, issue-tracking)
secalert@redhat.com

Frequently asked questions

What is CVE-2026-71217?: CVE-2026-71217 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-08-11.
How severe is CVE-2026-71217?: High severity. CVSS v3 base score is 7.5 out of 10.