{"id":"CVE-2009-1862","kind":"vulnerability","aliases":["CVE-2009-1862"],"related":[],"title":"Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through…","description":"Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or (2) a crafted .swf file, related to authplay.dll, as exploited in the wild in July 2009.","summary":"CVE-2009-1862 is an unspecified flaw in Adobe Acrobat, Adobe Reader and Flash Player that lets remote attackers execute code or cause a denial of service. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":9.3,"epss":0.21198,"exploited":true,"exploited_at":"2022-06-08T00:00:00+00:00","products":[{"name":"Adobe Acrobat and Reader, Flash Player","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"adobe acrobat","fixed":[],"affected":">= 9.0, <= 9.1.2","ecosystem":"vendor"},{"name":"adobe acrobat reader","fixed":[],"affected":">= 9.0, <= 9.1.2","ecosystem":"vendor"},{"name":"adobe flash player","fixed":[],"affected":">= 9.0, <= 9.0.159.0","ecosystem":"vendor"},{"name":"adobe flash player","fixed":[],"affected":">= 10.0, <= 10.0.22.87","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["acrobat","adobe-reader","exploited","flash-player","macos","package","windows"],"not_affected_if":["no-acrobat-or-reader-installed","no-flash-player-installed"],"how_to_check":"Check the installed Acrobat or Reader version under Help > About, and check whether Flash Player is present on any machine (Flash Player is end-of-life).","fix":"For Acrobat and Reader, apply the vendor updates per Adobe's instructions. For Flash Player, uninstall it or disconnect the machine, since the product is end-of-life.","status":"open","published_at":"2009-07-23T20:30:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:12:45+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-23T21:12:45Z","model":"claude-haiku-5-5","output":{"fix":"For Acrobat and Reader, apply the vendor updates per Adobe's instructions. For Flash Player, uninstall it or disconnect the machine, since the product is end-of-life.","reach":"internet","impact":"high","summary":"CVE-2009-1862 is an unspecified flaw in Adobe Acrobat, Adobe Reader and Flash Player that lets remote attackers execute code or cause a denial of service. CISA lists it as actively exploited in the wild.","category":"package","who_cares":["acrobat","adobe-reader","flash-player","windows","macos"],"confidence":0.6,"needs_auth":"no","worst_case":"Remote attacker runs arbitrary code on the user's machine.","analyst_note":"Fixed versions and the exact trigger are not in the sources; check Adobe's security bulletin for the affected and fixed builds.","how_to_check":"Check the installed Acrobat or Reader version under Help > About, and check whether Flash Player is present on any machine (Flash Player is end-of-life).\nunknown","needs_analyst":true,"not_affected_if":["no-acrobat-or-reader-installed","no-flash-player-installed"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.00051,"input_tokens":2904,"output_tokens":439,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-1862':20A,23A,54B '-2009':19A,22A,53B '1':128C '10':108C '10.0.22.87':111C '2':138C '2009':153C '9':8A,16A,95C,103C '9.0.159.0':106C '9.1.2':11A,98C 'acrobat':7A,25A,31A,33A,41B,61B,94C 'activ':83B 'adob':4A,13A,43B,60B,62B,91C,100C 'adobe':24A,30A,32A,35A,38A 'adobe-read':42B 'allow':112C 'and':26A 'applic':132C 'arbitrari':117C 'attack':70B,114C 'authplay.dll':145C 'caus':74B,120C 'cisa':79B 'code':72B,118C 'corrupt':126C 'craft':130C,140C 'cve':18A,21A,52B 'denial':76B,122C 'execut':71B,116C 'exploit':45B,84B,147C 'file':136C,142C 'flash':14A,28A,36A,39A,47B,65B,101C,131C 'flash-play':46B 'flaw':58B 'juli':152C 'let':68B 'list':80B 'maco':49B 'memori':125C 'packag':50B 'pdf':135C 'player':15A,29A,37A,40A,48B,66B,102C 'reader':5A,27A,34A,44B,63B,92C 'relat':143C 'remot':69B,113C 'servic':78B,124C 'swf':141C 'unspecifi':1A,57B,88C 'via':127C 'vulner':2A,89C 'wild':87B,150C 'window':51B 'x':9A,17A,96C,104C,109C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2009-07-23T20:30:00+00:00","kev":{"dateAdded":"2022-06-08","dueDate":"2022-06-22","requiredAction":"For Adobe Acrobat and Reader, apply updates per vendor instructions. For Adobe Flash Player, the impacted product is end-of-life and should be disconnected if still in use.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:L/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-2009-1862","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2009-1862","severity":null,"published_at":"2022-06-08T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T11:39:16+00:00","note":null},{"source":"epss","external_id":"CVE-2009-1862","url":"https://api.first.org/data/v1/epss?cve=CVE-2009-1862","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2009-1862","url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1862","severity":null,"published_at":"2009-07-23T20:30:00+00:00","modified_at":"2026-06-16T23:08:13+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+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"}