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CVE-2026-90802: NULL Pointer Dereference in GNU Binutils

0
Medium
VulnerabilityCVE-2026-90802cvecve-2026-90802
Published: 09/14/2026 (09/14/2026, 16:30:18 UTC)
Source: CVE Database V5
Vendor/Project: GNU
Product: Binutils

Description

CVE-2026-90802 is a medium severity vulnerability in GNU Binutils 2.47 affecting the ld component. It involves a null pointer dereference in the bfd_putl64 function within bfd/libbfd.c. The issue requires local access to exploit and no user interaction. Although an exploit is publicly available, the vendor has not yet responded or issued a patch.

CVSS v4.0

Score 4.8medium

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

GNU

Binutils

Affected versions
=2.47
CPE configurations
cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/14/2026, 22:13:52 UTC

Technical Analysis

This vulnerability in GNU Binutils 2.47 arises from a null pointer dereference in the bfd_putl64 function of the ld component (bfd/libbfd.c). The flaw can be triggered by an attacker with local access, potentially leading to a denial of service or other impacts related to process crashes. The vulnerability has a CVSS 4.8 (medium) score, indicating limited impact and exploit complexity. The vendor has been informed but has not provided a fix or response at the time of this report. Public exploit code exists, but no evidence of active exploitation in the wild is reported.

Potential Impact

The vulnerability allows a local attacker to cause a null pointer dereference, which may result in application crashes or denial of service conditions. There is no indication of privilege escalation or remote exploitation. The impact is limited to local users with access to the affected software.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local access to trusted users only and monitor for attempts to exploit this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-09-13T15:33:42.169Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6aa8711655bf5e2cf5b3ea9f

Added to database: 09/14/2026, 22:11:34 UTC

Last enriched: 09/14/2026, 22:13:52 UTC

Last updated: 09/15/2026, 05:20:53 UTC

Views: 7

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