CVE-2026-4647

MEDIUM

Binutils: out-of-bounds read in xcoff relocation processing in gnu binutils bfd library

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References
Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-4647
Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat
RHBZ#2450302
https://bugzilla.redhat.com/show_bug.cgi?id=2450302

Scores

CVSS v3 6.1
EPSS 0.0016
EPSS Percentile 5.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (14)
gnu/binutils
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 8
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat Hardened Images
Red Hat/Red Hat OpenShift Container Platform 4
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
... and 4 more
Published Mar 23, 2026
Tracked Since Mar 23, 2026