# CVE-2009-0927: Adobe Reader and Adobe Acrobat Stack-Based Buffer Overflow Vulnerability

Source: https://junglewise.ai/threats/cve-2009-0927-adobe-reader-and-adobe-acrobat-stack-based-buffer-overflow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-25. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2009-0927 · Severity: critical · CVSS 9.3 · Exploited in the wild · Published 2022-03-25

A stack-based buffer overflow in Adobe Reader and Acrobat allows remote attackers to execute arbitrary code via a crafted argument to the getIcon method of a Collab object. This vulnerability stems from improper input validation in a JavaScript method.

Technologies: [Adobe Acrobat](https://junglewise.ai/threats/technologies/acrobat), [Adobe AIR](https://junglewise.ai/threats/technologies/air), [Adobe Flash Player](https://junglewise.ai/threats/technologies/flash-player), [Adobe Reader](https://junglewise.ai/threats/technologies/reader). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2009-0927 exploited in the wild?** Yes. CVE-2009-0927 is known to be exploited in the wild, first recorded on 25 March 2022. Treat it as urgent.

**How severe is CVE-2009-0927?** Critical severity, with a CVSS score of 9.3, published 25 March 2022.

**Which products and versions are affected?** Adobe Reader 9 before 9.1, 8 before 8.1.3, and 7 before 7.1.1; Adobe Acrobat 9 before 9.1, 8 before 8.1.3, and 7 before 7.1.1.

**Is there a fix for CVE-2009-0927?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2009-0927 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2009-0927?** Check whether you run Adobe Acrobat, Adobe AIR, Adobe Flash Player or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Adobe Reader 9 before 9.1, 8 before 8.1.3, and 7 before 7.1.1
- Adobe Acrobat 9 before 9.1, 8 before 8.1.3, and 7 before 7.1.1

## Timeline

- 2022-03-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-03-25: disclosed
- 2009-03-25: exploited: Reported as exploited in the wild in 2009 per historical context and CISA KEV status.

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- [Adobe Acrobat Reader privilege escalation via incorrect authorization](https://junglewise.ai/threats/cve-2026-81996-adobe-acrobat-reader-privilege-escalation-via-incorrect)
- [Adobe Acrobat Reader prototype pollution arbitrary file read](https://junglewise.ai/threats/cve-2026-81994-adobe-acrobat-reader-prototype-pollution-arbitrary-file-read)
- [Adobe Acrobat Reader heap buffer overflow in PDF parsing](https://junglewise.ai/threats/cve-2026-81993-adobe-acrobat-reader-heap-buffer-overflow-in-pdf-parsing)
- [Adobe Acrobat Reader heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-81992-adobe-acrobat-reader-heap-based-buffer-overflow)