CVE-2024-23809 — AI Deep Analysis Summary

Q: Who is affected? (Versions/Components)

🏢 **Vendor**: The Biosig Project. 📦 **Product**: `libbiosig` (BioSig Project). 📅 **Affected Version**: Specifically **v2.5.0**. 🧬 **Context**: Used for biomedical signal processing (EEG, etc.).

Q: Is exploitation threshold high? (Auth/Config)

🔓 **Threshold**: **LOW**. 🌐 **Auth**: **None** required (PR:N). 🖱️ **UI**: **None** required (UI:N). 📡 **Network**: **Remote** (AV:N). 🎯 **Complexity**: **Low** (AC:L). Easy to exploit remotely.

Q: Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: **Yes**, officially addressed. 📢 **Source**: Fedora Project announced the fix. 🔄 **Action**: Update `libbiosig` to a version **greater than 2.5.0**. Check vendor advisories for the patched release.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: **Immediate Action**. 📊 **Score**: CVSS 9.8 (Critical). ⏳ **Reason**: Remote, no auth, low complexity, high impact. Patch immediately to prevent potential RCE.

Updated May 08, 2026 CVSS 9.8 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: A critical **Double Free** flaw in `libbiosig` v2.5.0. <br>📉 **Consequences**: The BrainVision ASCII header parser mishandles memory.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-415** (Double Free). <br>⚠️ **Flaw**: The code frees a memory pointer twice. This corrupts the heap, allowing attackers to hijack control flow.…

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Q3Who is affected? (Versions/Components)

🏢 **Vendor**: The Biosig Project. <br>📦 **Product**: `libbiosig` (BioSig Project). <br>📅 **Affected Version**: Specifically **v2.5.0**. <br>🧬 **Context**: Used for biomedical signal processing (EEG, etc.).

Q4What can hackers do? (Privileges/Data)

💻 **Privileges**: **High** (CVSS 9.8). <br>🔓 **Data**: Full **Confidentiality**, **Integrity**, and **Availability** loss.…

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Q5Is exploitation threshold high? (Auth/Config)

🔓 **Threshold**: **LOW**. <br>🌐 **Auth**: **None** required (PR:N). <br>🖱️ **UI**: **None** required (UI:N). <br>📡 **Network**: **Remote** (AV:N). <br>🎯 **Complexity**: **Low** (AC:L). Easy to exploit remotely.

Q6Is there a public Exp? (PoC/Wild Exploitation)

🕵️ **Public Exp?**: **No specific PoC** listed in the data. <br>📰 **References**: Talos Intelligence report (TALOS-2024-1919) and Fedora package announcements exist.…

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Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for `libbiosig` version **2.5.0**. <br>📂 **Target**: Look for applications processing **BrainVision ASCII** files. <br>🛠️ **Tooling**: Use SCA tools to detect the specific library version.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: **Yes**, officially addressed. <br>📢 **Source**: Fedora Project announced the fix. <br>🔄 **Action**: Update `libbiosig` to a version **greater than 2.5.0**. Check vendor advisories for the patched release.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: **Mitigation**: <br>1. **Disable** BrainVision ASCII file parsing if possible. <br>2. **Isolate** systems processing these files. <br>3.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>🚨 **Priority**: **Immediate Action**. <br>📊 **Score**: CVSS 9.8 (Critical). <br>⏳ **Reason**: Remote, no auth, low complexity, high impact. Patch immediately to prevent potential RCE.

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Vulnerability detail Full AI analysis (login) The Biosig Project CWE-415