The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2009:0478 Released 2009-05-13 · Red Hat rating Criticalacroread security update
- Red Hat Desktop version 3 Extras acroread-8.1.5-2.i386, acroread-plugin-8.1.5-2.i386
- Red Hat Desktop version 4 Extras acroread-8.1.5-1.el4.i386, acroread-plugin-8.1.5-1.el4.i386
- Red Hat Enterprise Linux AS version 3 Extras acroread-8.1.5-2.i386, acroread-plugin-8.1.5-2.i386
- Red Hat Enterprise Linux AS version 4 Extras acroread-8.1.5-1.el4.i386, acroread-plugin-8.1.5-1.el4.i386
- Red Hat Enterprise Linux Desktop Supplementary (v. 5) acroread-8.1.5-1.el5.i386, acroread-plugin-8.1.5-1.el5.i386
- Red Hat Enterprise Linux ES version 3 Extras acroread-8.1.5-2.i386, acroread-plugin-8.1.5-2.i386
- Red Hat Enterprise Linux ES version 4 Extras acroread-8.1.5-1.el4.i386, acroread-plugin-8.1.5-1.el4.i386
- Red Hat Enterprise Linux Server Supplementary (v. 5) acroread-8.1.5-1.el5.i386, acroread-plugin-8.1.5-1.el5.i386
- Red Hat Enterprise Linux WS version 3 Extras acroread-8.1.5-2.i386, acroread-plugin-8.1.5-2.i386
- Red Hat Enterprise Linux WS version 4 Extras acroread-8.1.5-1.el4.i386, acroread-plugin-8.1.5-1.el4.i386
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 Extras | Fixed | RHSA-2009:0478 |
| Red Hat Desktop version 4 Extras | Fixed | RHSA-2009:0478 |
| Red Hat Enterprise Linux AS version 3 Extras | Fixed | RHSA-2009:0478 |
| Red Hat Enterprise Linux AS version 4 Extras | Fixed | RHSA-2009:0478 |
| Red Hat Enterprise Linux Desktop Supplementary (v. 5) | Fixed | RHSA-2009:0478 |
| Red Hat Enterprise Linux ES version 3 Extras | Fixed | RHSA-2009:0478 |
| Red Hat Enterprise Linux ES version 4 Extras | Fixed | RHSA-2009:0478 |
| Red Hat Enterprise Linux Server Supplementary (v. 5) | Fixed | RHSA-2009:0478 |
| Red Hat Enterprise Linux WS version 3 Extras | Fixed | RHSA-2009:0478 |
| Red Hat Enterprise Linux WS version 4 Extras | Fixed | RHSA-2009:0478 |
Timeline
- 2026-10-02 Threatist record created from CVE-2009-1493
- 2026-10-03 Alias added: GHSA-f62c-gjq3-9jwj
References
Advisory 11
- http://blogs.adobe.com/psirt/2009/05/adobe_reader_issue_update.html
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=926953
- TA09-133B
- http://www.adobe.com/support/security/bulletins/apsb09-06.html
- SUSE-SR:2009:011
- http://blogs.adobe.com/psirt/2009/04/update_on_adobe_reader_issue.html
- GLSA-200907-06
- 259028
- SUSE-SA:2009:027
- VU#970180
- RHSA-2009:0478
More Adobe Reader vulnerabilities
- TI-2018-11472 Adobe Acrobat and Reader versions 2019.008.20081 and earlier, 2019.008.20080 and earlier… CVSS 3.1MEDIUM 6.5
- TI-2011-03835 Adobe Reader and Acrobat before 9.5, and 10.x before 10.1.2, on Windows and Mac OS X… CVSS 3.1CRITICAL 9.8
- TI-2016-03592 Adobe Reader and Acrobat before 11.0.17, Acrobat and Acrobat Reader DC Classic before… CVSS 3.0CRITICAL 9.8
- TI-2016-03590 Adobe Reader and Acrobat before 11.0.17, Acrobat and Acrobat Reader DC Classic before… CVSS 3.0CRITICAL 9.8
- TI-2017-08308 Memory corruption in Adobe Acrobat Reader CVSS 3.0HIGH 8.8
- TI-2017-08257 Memory corruption in Adobe Acrobat Reader CVSS 3.0HIGH 8.8
Sources
- CVE-2009-1493 · CVE Program
- CVE-2009-1493 · NVD
- FIRST EPSS
- GHSA-f62c-gjq3-9jwj · GitHub Advisory Database · CC BY 4.0
- CVE-2009-1493 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences