What is CVE-2026-4647?

CVE-2026-4647 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-03-23.

How severe is CVE-2026-4647?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Out-of-bounds Read in Red Hat Enterprise Linux 10

CVE-2026-4647

A flaw was found in the GNU Binutils BFD library, a widely used component for handling binary files such as object files and executables. The issue occurs when processing specially crafted XCOFF object files, where a relocation type value…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

access.redhat.com/security/cve/CVE-2026-4647 (vdb-entry, x_refsource_REDHAT)
RHBZ#2450302 (issue-tracking, x_refsource_REDHAT)
sourceware.org/bugzilla/show_bug.cgi

Frequently asked questions

What is CVE-2026-4647?: CVE-2026-4647 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-03-23.
How severe is CVE-2026-4647?: Medium severity. CVSS v3 base score is 6.1 out of 10.