CVE-2026-4647

MediumCVSS 6.1/10Last modified Nov 5, 2026

Description

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 is not properly validated before being used. This can cause the program to read memory outside of intended bounds. As a result, affected tools may crash or expose unintended memory contents, leading to denial-of-service or limited information disclosure risks.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
Red Hat	Red Hat Hardened Images	—
Red Hat	Red Hat Hardened Images	—
Red Hat	Red Hat Enterprise Linux 10	—
Red Hat	Red Hat Enterprise Linux 10	—
Red Hat	Red Hat Enterprise Linux 10	—
Red Hat	Red Hat Enterprise Linux 10	—
Red Hat	Red Hat Enterprise Linux 6	—
Red Hat	Red Hat Enterprise Linux 7	—
Red Hat	Red Hat Enterprise Linux 7	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat OpenShift Container Platform 4	—
Red Hat	Red Hat OpenShift Container Platform 4	—

References

https://access.redhat.com/errata/RHSA-2026:33527
https://access.redhat.com/errata/RHSA-2026:39022
https://access.redhat.com/security/cve/CVE-2026-4647Mitigation, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2450302Issue Tracking, Vendor Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=33919Broken Link

Timeline

Published: Mar 23, 2026
Last modified: Nov 5, 2026
NVD status: Modified

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