{"uuid": "65503719-2909-49e3-b094-3344b6b23dc7", "vulnerability": {"vulnId": "CVE-2009-3459", "altId": []}, "gcve": {"origin_uuid": "405284c2-e461-4670-8979-7fd2c9755a60", "object_uuid": "65503719-2909-49e3-b094-3344b6b23dc7"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-05-20T00:00:00+00:00"}, "characteristics": {}, "timestamps": {"asserted_at": "2026-05-20T00:00:00Z", "recorded_at": "2026-05-20T18:00:02Z", "first_seen_at": "2026-05-20T00:00:00Z"}, "scope": {"notes": "KEV entry: Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability | Affected: Adobe / Acrobat and Reader | Description: Adobe Acrobat and Reader contain a heap-based buffer overflow vulnerability which could allow remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-06-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.cisa.gov/news-events/alerts/2009/10/13/adobe-reader-and-acrobat-vulnerabilities ; https://web.archive.org/web/20120324170253/http://www.adobe.com/support/security/bulletins/apsb09-15.html#:~:text=CVE%2D2009%2D3459).-,NOTE%3A,-There%20are%20reports ; https://nvd.nist.gov/vuln/detail/CVE-2009-3459"}, "evidence": [{"type": "vendor_report", "source": "cisa-kev", "signal": "successful_exploitation", "confidence": 0.8, "details": {"cwes": ["CWE-119"], "feed": "CISA Known Exploited Vulnerabilities Catalog", "product": "Acrobat and Reader", "due_date": "2026-06-03", "date_added": "2026-05-20", "vendorProject": "Adobe", "vulnerabilityName": "Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability", "knownRansomwareCampaignUse": "Unknown"}}], "references": [{"id": "CVE-2009-3459", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2009-3459"}]}