CVE-2026-91018
8.8 HIGHpublic exploit availablePublished 2026-09-22 · Updated 2026-09-23
AI risk analysis
- Summary
- The lwIP library contains a double free vulnerability that could lead to system crashes, denial of service, memory corruption, or code execution.
- Exploitability
- Exploitation requires the attacker to trigger the double free condition, which could be challenging without specific knowledge of the application's memory management.
- Blast radius
- If exploited, the vulnerability could impact the entire system, leading to service disruption or unauthorized code execution.
- Detection
- No reliable host or network indicator is derivable from the published description.
- Prioritized remediation
- Upgrade to lwIP version 2.1.3 or later.
rcememory-corruptiondoslibrary-vuln
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD description
lwIP (Lightweight IP) has a double free vulnerability, which could crash the system, cause a DoS, memory corruption, or allow code execution on the victim system.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-415
Public exploit & PoC references
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
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- CRITICALCVE-2026-10858
- HIGHCVE-2026-11375
- HIGHCVE-2026-11378
- HIGHCVE-2026-11381
- HIGHCVE-2026-11725
- CRITICALCVE-2026-13639
- HIGHCVE-2026-13673
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