LOW CVSS 3.3
Published: 2025-09-27

CVE-2025-11081

gnu binutils Security Advisory (CVE-2025-11081)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-11081 impacting gnu binutils. Evaluated with CVSS Base Score of 3.3 (LOW).

Original NVD Description

Source: NIST NVD
A vulnerability was detected in GNU Binutils 2.45. This issue affects the function dump_dwarf_section of the file binutils/objdump.c. Performing manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit is now public and may be used. The patch is named f87a66db645caf8cc0e6fc87b0c28c78a38af59b. It is suggested to install a patch to address this issue.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product gnu / binutils
Affected Versions 2.45
Weakness Enumeration CWE-119

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2025-11081 impacting gnu binutils.

⚡ Nuclei Detection Template (YAML) cve-2025-11081.yaml
id: cve-2025-11081

info:
  name: gnu binutils - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: low
  description: |
    Automated signature & scanner for CVE-2025-11081 affecting gnu binutils.
    Evaluation: A vulnerability was detected in GNU Binutils 2.45. This issue affects the function dump_dwarf_section of the file binutils/objdump.c. Performing manip...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-11081
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    cvss-score: 3.3
    cve-id: CVE-2025-11081
    cwe-id: CWE-119
  tags: cve,cve-2025-11081,gnu,binutils,low

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "binutils"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-11081.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-11081
# Target: gnu binutils | CVSS: 3.3 (LOW)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-11081 (gnu binutils)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against gnu binutils scope (2.45).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2025-11081.sh
# Recommended Remediation & Patching Commands for CVE-2025-11081
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install binutils 2>/dev/null || \
sudo dnf upgrade binutils 2>/dev/null || \
sudo yum update binutils

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i binutils 2>/dev/null || rpm -qa | grep -i binutils

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-11081 in gnu binutils?

Review vendor-specific security notices and update gnu binutils packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2025-11081?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2025-11081?

CVE-2025-11081 is classified with a CVSS 3.1 Base Score of 3.3 (LOW). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
3.3
LOW SEVERITY
CVE ID CVE-2025-11081
Weakness CWE-119
Vendor gnu
Product binutils
Published 2025-09-27
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L