VDB-352515 · CVE-2026-4647 · Nessus 303378

GNU Biutils BFD Library out-of-bounds

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5.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in GNU Biutils. This impacts an unknown function of the component BFD Library. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2026-4647. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GNU Biutils (affected version not known). This affects some unknown functionality of the component BFD Library. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is:

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.

It is possible to read the advisory at access.redhat.com. This vulnerability is uniquely identified as CVE-2026-4647 since 03/23/2026. The exploitability is told to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 303378 (Linux Distros Unpatched Vulnerability : CVE-2026-4647), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (303378) and CERT Bund (WID-SEC-2026-0827). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

Open Source binutils

Productinfo

Vendor

Name

Biutils

License

open-source

Website

Vendor: https://www.gnu.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔒

CNA Base Score: 6.1
CNA Vector (redhat): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 303378
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-4647

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/23/2026 Advisory disclosed
03/23/2026 +0 days CVE reserved
03/23/2026 +0 days VulDB entry created
03/27/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: gnu.org

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2026-4647 (🔒)
GCVE (CVE): GCVE-0-2026-4647
GCVE (VulDB): GCVE-100-352515
CERT Bund: WID-SEC-2026-0827 - binutils: Schwachstelle ermöglicht Denial of Service

Entryinfo

Created: 03/23/2026 15:33
Updated: 03/27/2026 21:49
Changes: 03/23/2026 15:33 (61), 03/24/2026 07:53 (2), 03/24/2026 12:11 (7), 03/27/2026 21:49 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.