{"id":"CVE-2018-4990","kind":"vulnerability","aliases":["CVE-2018-4990"],"related":[],"title":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and…","description":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have a Double Free vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.","summary":"Adobe Acrobat and Reader contain a double free memory bug that can be triggered to corrupt memory. An attacker who gets a victim to open a crafted PDF can run code on the victim's machine.","severity":"high","cvss":8.8,"epss":0.36228,"exploited":true,"exploited_at":"2022-06-08T00:00:00+00:00","products":[{"name":"Adobe Acrobat and Reader","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"adobe acrobat dc","fixed":[],"affected":">= 15.006.30060, <= 15.006.30417","ecosystem":"vendor"},{"name":"adobe acrobat dc","fixed":[],"affected":">= 15.008.20082, <= 18.011.20038","ecosystem":"vendor"},{"name":"adobe acrobat dc","fixed":[],"affected":">= 17.011.30059, <= 17.011.30079","ecosystem":"vendor"},{"name":"adobe acrobat reader dc","fixed":[],"affected":">= 15.006.30060, <= 15.006.30417","ecosystem":"vendor"},{"name":"adobe acrobat reader dc","fixed":[],"affected":">= 15.008.20082, <= 18.011.20038","ecosystem":"vendor"},{"name":"adobe acrobat reader dc","fixed":[],"affected":">= 17.011.30059, <= 17.011.30079","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["adobe-acrobat","adobe-reader","exploited","macos","package","windows"],"not_affected_if":["not-installed"],"how_to_check":"Open Acrobat or Reader and check Help > About to see the installed version; compare it against the vendor's fixed build.","fix":"Apply the update from Adobe per vendor instructions (CISA KEV required action).","status":"open","published_at":"2018-07-09T19:29:03+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:12:55+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-23T21:12:55Z","model":"claude-haiku-5-5","output":{"fix":"Apply the update from Adobe per vendor instructions (CISA KEV required action).\nunknown","reach":"internet","impact":"high","summary":"Adobe Acrobat and Reader contain a double free memory bug that can be triggered to corrupt memory. An attacker who gets a victim to open a crafted PDF can run code on the victim's machine.","category":"package","who_cares":["adobe-acrobat","adobe-reader","windows","macos"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code on the victim's machine after opening a crafted PDF","analyst_note":"Find the fixed Acrobat/Reader versions and the Adobe bulletin for CVE-2018-4990 (not in the sources given) to fill how_to_check and fix.","how_to_check":"Open Acrobat or Reader and check Help > About to see the installed version; compare it against the vendor's fixed build.\nunknown","needs_analyst":true,"not_affected_if":["not-installed"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000474,"input_tokens":2822,"output_tokens":384,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2018':15A,18A '-4990':16A,19A '2015.006.30417':13A,103C '2017.011.30079':9A,99C '2018.011.20038':6A,96C 'acrobat':2A,21A,25A,28A,31A,34A,38A,42A,47B,56B,92C 'adob':1A,46B,49B,55B,91C 'adobe':20A,24A,27A,30A,33A,37A,41A 'adobe-acrobat':45B 'adobe-read':48B 'and':22A 'arbitrari':116C 'attack':73B 'bug':64B 'code':85B,117C 'contain':59B 'context':121C 'corrupt':70B 'could':113C 'craft':81B 'current':124C 'cve':14A,17A 'dc':26A,29A,32A,36A,40A,44A 'doubl':61B,108C 'earlier':8A,11A,98C,101C,105C 'execut':118C 'exploit':51B,112C 'free':62B,109C 'get':75B 'lead':114C 'machin':90B 'maco':52B 'memori':63B,71B 'open':79B 'packag':53B 'pdf':82B 'reader':4A,23A,35A,39A,43A,50B,58B,94C 'run':84B 'success':111C 'trigger':68B 'user':125C 'version':5A,95C 'victim':77B,88B 'vulner':110C 'window':54B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2018-07-09T19:29:03+00:00","kev":{"dateAdded":"2022-06-08","dueDate":"2022-06-22","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-2018-4990","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-4990","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":"2026-10-25T19:35:23+00:00","note":null},{"source":"epss","external_id":"CVE-2018-4990","url":"https://api.first.org/data/v1/epss?cve=CVE-2018-4990","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-2018-4990","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4990","severity":null,"published_at":"2018-07-09T19:29:03+00:00","modified_at":"2026-06-17T01:59:25+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"}