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.
| Software | From | Fixed in |
|---|---|---|
| adobe / reader | 8.1.4 | 8.1.4.x |
| adobe / reader | 9.1 | 9.1.x |