{"id":"CVE-2009-0927","kind":"vulnerability","aliases":["CVE-2009-0927"],"related":[],"title":"Adobe Reader and Acrobat: Adobe Reader and Adobe Acrobat Stack-Based Buffer Overflow Vulnerability","description":"Stack-based buffer overflow in Adobe Reader and Adobe Acrobat 9 before 9.1, 8 before 8.1.3 , and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a crafted argument to the getIcon method of a Collab object, a different vulnerability than CVE-2009-0658.","summary":"Adobe Reader and Acrobat have a stack-based buffer overflow that lets a remote attacker run arbitrary code. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":9.3,"epss":0.96632,"exploited":true,"exploited_at":"2022-03-25T00:00:00+00:00","products":[{"name":"Adobe Reader and Acrobat","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["acrobat","adobe-reader","desktop","exploited","macos","package","windows"],"not_affected_if":["non-adobe-pdf-viewer","not-installed"],"how_to_check":"Open Adobe Reader or Acrobat, go to Help > About to read the installed version. unknown for the exact vulnerable version range.","fix":"Update Adobe Reader or Acrobat to the latest version per Adobe's vendor instructions. unknown for the specific fixed version.","status":"open","published_at":"2009-03-19T10:30:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:22:00+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-23T21:22:00Z","model":"claude-haiku-5-5","output":{"fix":"Update Adobe Reader or Acrobat to the latest version per Adobe's vendor instructions. unknown for the specific fixed version.","reach":"internet","impact":"high","summary":"Adobe Reader and Acrobat have a stack-based buffer overflow that lets a remote attacker run arbitrary code. CISA lists it as actively exploited in the wild.","category":"package","who_cares":["adobe-reader","acrobat","windows","macos","desktop"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs arbitrary code on the victim's machine via a crafted PDF.","analyst_note":"Confirm affected and fixed versions from Adobe's advisory for CVE-2009-0927 and the CISA KEV entry.","how_to_check":"Open Adobe Reader or Acrobat, go to Help > About to read the installed version. unknown for the exact vulnerable version range.","needs_analyst":true,"not_affected_if":["not-installed","non-adobe-pdf-viewer"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000482,"input_tokens":2849,"output_tokens":394,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-0658':109C '-0927':18A,21A '-2009':17A,20A,108C '7':81C '7.1.1':83C '8':77C '8.1.3':79C '9':74C '9.1':76C 'acrobat':4A,9A,25A,26B,38B,73C 'activ':58B 'adob':1A,5A,8A,28B,35B,69C,72C 'adobe':22A 'adobe-read':27B 'allow':84C 'and':24A 'arbitrari':52B,89C 'argument':94C 'attack':50B,86C 'base':12A,43B,65C 'buffer':13A,44B,66C 'cisa':54B 'code':53B,90C 'collab':101C 'craft':93C 'cve':16A,19A,107C 'desktop':30B 'differ':104C 'execut':88C 'exploit':31B,59B 'geticon':97C 'let':47B 'list':55B 'maco':32B 'method':98C 'object':102C 'overflow':14A,45B,67C 'packag':33B 'reader':2A,6A,23A,29B,36B,70C 'remot':49B,85C 'run':51B 'stack':11A,42B,64C 'stack-bas':10A,41B,63C 'via':91C 'vulner':15A,105C 'wild':62B 'window':34B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2009-03-19T10:30:00+00:00","kev":{"dateAdded":"2022-03-25","dueDate":"2022-04-15","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2009-0927","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2009-0927","severity":null,"published_at":"2022-03-25T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T15:39:43+00:00","note":null},{"source":"epss","external_id":"CVE-2009-0927","url":"https://api.first.org/data/v1/epss?cve=CVE-2009-0927","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2009-0927","url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0927","severity":null,"published_at":"2009-03-19T10:30:00+00:00","modified_at":"2026-06-16T23:06:07+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}