{"id":"CVE-2009-1493","aliases":["EUVD-2009-1490","GHSA-f62c-gjq3-9jwj","RHSA-2009:0478"],"status":"published","title":"The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1,...","description":"The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a PDF file that triggers a call to this method with a long string in the second argument.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.21826,"percentile":0.97658,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-399"],"published":"2009-04-30T20:00:00Z","modified":"2026-06-29T10:02:22Z","exploits":[{"source":"exploitdb","id":"EDB-8570","title":"Adobe 8.1.4/9.1 - 'customDictionaryOpen()' Code Execution","type":"remote","platform":"linux","date":"2009-04-29","verified":true,"url":"https://www.exploit-db.com/exploits/8570"}],"affected":[{"source":"osv","ecosystem":"Red Hat:rhel_extras:3","package":"acroread","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.5-2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red 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Link"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-133B.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.exploit-db.com/exploits/8570","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.vupen.com/english/advisories/2009/1189","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Broken Link"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50146","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb09-06.html","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","article"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party 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Link"]},{"url":"http://www.vupen.com/english/advisories/2009/1317","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Broken Link"]},{"url":"http://www.securitytracker.com/id?1022139","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://secunia.com/advisories/35358","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link"]},{"url":"http://secunia.com/advisories/35055","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link"]},{"url":"http://www.kb.cert.org/vuls/id/970180","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://secunia.com/advisories/35416","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link"]},{"url":"http://www.redhat.com/support/errata/RHSA-2009-0478.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party 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Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1493","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f62c-gjq3-9jwj"},{"url":"https://access.redhat.com/errata/RHSA-2009:0478","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#critical","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=498322","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2009/rhsa-2009_0478.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-1492","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-1492","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1492","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2009-1493","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-1493","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-1493","description":"The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a PDF file that triggers a call to this method with a long string in the second argument.","status":"published","published":"2009-04-30T20:00:00Z","modified":"2024-08-07T05:13:25.583Z","updated_at":"2026-11-02T14:33:25.126493Z"}],"euvd":[{"id":"EUVD-2009-1490","description":"The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a PDF file that triggers a call to this method with a long string in the second argument.","status":"published","published":"2009-04-30T20:00:00Z","modified":"2024-08-07T05:13:25Z","updated_at":"2026-11-03T01:39:21.330306Z"}],"ghsa":[{"id":"GHSA-f62c-gjq3-9jwj","title":"The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1,...","description":"The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a PDF file that triggers a call to this method with a long string in the second argument.","status":"published","published":"2022-05-02T03:25:43Z","modified":"2023-01-31T05:08:20Z","updated_at":"2026-11-02T14:49:22.824157Z"}],"nvd":[{"id":"CVE-2009-1493","description":"The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a PDF file that triggers a call to this method with a long string in the second argument.","status":"published","published":"2009-04-30T20:30:00.687Z","modified":"2026-06-16T23:07:23.167Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:35.136779Z"}],"osv":[{"id":"RHSA-2009:0478","title":"Red Hat Security Advisory: acroread security update","status":"published","published":"2024-09-13T06:45:20Z","modified":"2026-06-29T10:02:22Z","updated_at":"2026-11-02T15:53:00.468834Z"}]}}