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GNU Binutils CVE-2026-90830

| EUVDEUVD-2026-78215 LOW
Improper Resource Shutdown or Release (CWE-404)
2026-09-14 cna@vuldb.com GHSA-4xpf-8h39-fxrf
Denial Of Service Binutils Gnu
1.9
CVSS 4.0 · Vendor: vuldb

Severity by source

Vendor (vuldb) PRIMARY
1.9 LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
3.3 LOW

Local-only null pointer dereference crash in a developer tool; no confidentiality or integrity impact, availability impact is low (tool crash only).

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (vuldb).

CVSS VectorVendor: vuldb

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Sep 15, 2026 - 08:04 vuln.today
CVE Published
Sep 14, 2026 - 23:18 cve.org
LOW 1.9

DescriptionCVE.org

A security vulnerability has been detected in GNU Binutils 2.47. Impacted is the function _bfd_write_merged_section of the file bfd/merge.c of the component Section Merge. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through a bug report but has not responded yet.

AnalysisAI

Null pointer dereference in GNU Binutils 2.47 allows a local low-privileged user to crash Binutils toolchain utilities by supplying a crafted input file that triggers the vulnerable _bfd_write_merged_section function in bfd/merge.c. The Section Merge component of the BFD (Binary File Descriptor) library fails to validate a pointer before dereference, resulting in a denial of service. …

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Vulnerability AssessmentAI

Exploitation Exploitation requires local system access with at least low privilege (PR:L per CVSS 4.0) and the ability to supply a crafted input file to a Binutils tool that exercises the Section Merge code path in `bfd/merge.c`. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The overall risk is very low, consistent with the CVSS 4.0 base score of 1.9. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch is available at the time of analysis; the GNU Binutils project has not responded to the responsible disclosure report filed via https://sourceware.org/bugzilla/show_bug.cgi?id=34452. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-90830 vulnerability details – vuln.today
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