Binutils CVE-2026-91782

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EUVD

EUVD-2026-78335 LOW

Improper Resource Shutdown or Release (CWE-404)

2026-09-15 cna@vuldb.com

GHSA-vqfr-4h6g-3q8x

Denial Of Service Binutils Gnu

1.9

CVSS 4.0 · Vendor: vuldb

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Vulnerability Assessment

Weakness

CWE

ASVS 5.0

V15 - Secure Coding and Architecture Resource release

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 GNU Binutils 2.47 lets a locally-supplied malformed ELF object crash the toolchain when the linker or related BFD-consuming utilities reach the elf_x86_allocate_dynrelocs() dynamic-relocation allocator in bfd/elfxx-x86.c. Only availability is impacted — the fault aborts the affected utility and no memory corruption, information disclosure, or code execution has been demonstrated, which is consistent with the CVSS 4.0 base score of 1.9 (AV:L/PR:L, VA:L only). Publicly available exploit code exists in a GitHub proof-of-concept repository linked from the NVD record, but there is no indication of active exploitation or CISA KEV listing; upgrading to Binutils 2.48 resolves the issue.

Affected VersionsENISA

Binutils 2.47

Affected Packages

euvd binutils no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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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 LOW

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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

None

Vulnerable system: Availability

Low

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

DescriptionCVE.org

A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 2.48 addresses this issue. The patch is identified as d1268210b6f6/471130b39c0/283d3198bed/0a84e560216/a692a633d40. Upgrading the affected component is recommended.

Threat Intelligence Overview

EPSS Score

0.1%

Top 98% exploitable

Exploit

POC

Public exploit code exists

Data Quality

7 sources

Confidence: High

EUVD 🇯🇵JVN

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

Denial of Service MEDIUM

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

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References

Advisories & patches

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-91782 ADVISORY https://vuldb.com/vuln/404053 REF https://sourceware.org/bugzilla/show_bug.cgi?id=34448 REF https://vuldb.com/cve/CVE-2026-91782 REF https://vuldb.com/submit/933335 REF https://vuldb.com/vuln/404053 REF https://vuldb.com/vuln/404053/cti REF https://www.gnu.org/

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