Binutils EUVD-2026-77632

| CVE-2026-90802 LOW

NULL Pointer Dereference (CWE-476)

2026-09-14 VulDB

GHSA-9587-j488-f7h3

Denial Of Service Null Pointer Dereference Binutils Gnu

1.9

CVSS 4.0 · Vendor: VulDB

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Vulnerability Assessment

Weakness

CWE

OWASP Top 10:2025

A10:2025 - Mishandling of Exceptional Conditions

ASVS 5.0

V16 - Security Logging and Error Handling Null pointer safety, defensive checks

MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

A null pointer dereference in the bfd_putl64() function of GNU Binutils 2.47 (bfd/libbfd.c), reachable through the ld linker component, lets a local user crash the tool by feeding it a malformed ELF file. Publicly available exploit code exists (a GitHub write-up demonstrating a SEGV), and the upstream project was notified via a Sourceware bug report but has not responded, so no fixed release has been published. Severity is low (CVSS 4.0 base 1.9) because exploitation requires local access, yields no confidentiality impact, and is limited to integrity/availability loss of the linking process.

Affected VersionsENISA

Binutils 2.47

Affected Packages

euvd binutils no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (VulDB) PRIMARY 1.9 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Primary rating from Vendor (VulDB) · only source for this CVE.

CVSS VectorVendor: VulDB

Attack Vector

Local

Attack Complexity

Low

Attack Requirements

None

Privileges Required

Low

User Interaction

None

Vulnerable system: Confidentiality

None

Vulnerable system: Integrity

Low

Vulnerable system: Availability

Low

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

Lifecycle Timeline

3

Severity Changed

Sep 14, 2026 - 17:22 NVD

MEDIUM LOW

CVSS changed

Sep 14, 2026 - 17:22 NVD

4.8 (MEDIUM) 1.9 (LOW)

CVE Published

Sep 14, 2026 - 16:30 cve.org

LOW 1.9

DescriptionCVE.org

A weakness has been identified in GNU Binutils 2.47. Affected is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. This manipulation causes null pointer dereference. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Threat Intelligence Overview

EPSS Score

0.1%

Top 98% exploitable

Exploit

POC

Public exploit code exists

Data Quality

7 sources

Confidence: High

EUVD

CVE.org

EPSS CIRCL

GitHub

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity LOW

CISA KEV No

Public POC Yes

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

LOW severity (CVSS 0.1-3.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

Poc

System Exposure· derived

Small

Automatable· derived

No

Human Impact· derived

Low

Priority Score

30

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +10

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Null Pointer Dereference MEDIUM

A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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Same weakness CWE-476 – NULL Pointer Dereference

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References

Advisories & patches

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-90802 ADVISORY https://vuldb.com/vuln/403304 REF https://sourceware.org/bugzilla/show_bug.cgi?id=34443 REF https://vuldb.com/cve/CVE-2026-90802 REF https://vuldb.com/submit/920277 REF https://vuldb.com/vuln/403304 REF https://vuldb.com/vuln/403304/cti REF https://www.gnu.org/

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