GNU Binutils 2.47 ld bfd/libbfd.c bfd_putl64 null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k1.46

Summaryinfo

A vulnerability was found in GNU Binutils 2.47. It has been declared as problematic. Affected by this vulnerability is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2026-90802. An attack has to be approached locally. Furthermore, there is an exploit available. The project was informed of the problem early through a bug report but has not responded yet.

Detailsinfo

A vulnerability was found in GNU Binutils 2.47 and classified as problematic. Affected by this issue is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is integrity, and availability.

The advisory is shared for download at sourceware.org. This vulnerability is handled as CVE-2026-90802. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through a bug report but has not responded yet.

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

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.4
VulDB Temp Score: 4.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/13/2026 Advisory disclosed
09/13/2026 +0 days VulDB entry created
09/13/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: gnu.org

Advisory: 34443
Status: Not defined

CVE: CVE-2026-90802 (🔒)
GCVE (CVE): GCVE-0-2026-90802
GCVE (VulDB): GCVE-100-403304
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/13/2026 17:38
Changes: 09/13/2026 17:38 (60)
Complete: 🔍
Submitter: Dem0000000
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #920277: GNU Binutils 2.47 (version date 20260726) NULL Pointer Dereference (by Dem0000000)

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