What is CVE-2026-6862?

CVE-2026-6862 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Uncontrolled Recursion. CVSS score: 5.5/10. Published 2026-04-22.

How severe is CVE-2026-6862?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Red Hat Enterprise Linux 10

CVE-2026-6862

A flaw was found in libefiboot, a component of efivar. The device path node parser in libefiboot fails to validate that each node's Length field is at least 4 bytes, which is the minimum size for an EFI (Extensible Firmware Interface) devi…

EPSS: 0.000 (5.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2026-6862?: CVE-2026-6862 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Uncontrolled Recursion. CVSS score: 5.5/10. Published 2026-04-22.
How severe is CVE-2026-6862?: Medium severity. CVSS v3 base score is 5.5 out of 10.