CVE-2009-1493 describes a critical vulnerability in the customDictionaryOpen spell method within the JavaScript API of Adobe Reader versions 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX systems. This flaw allows remote attackers to trigger memory corruption, leading to a denial of service or arbitrary code execution, by supplying a specially crafted PDF file with a long string in the method's second argument. The vulnerability carries a CVSS score of 6.8, indicating a medium severity with network access, medium attack complexity, and potential for partial confidentiality, integrity, and availability impact. While not listed on CISA's KEV catalog or currently active on hot lists, exploit code (EDB-8570) is publicly available, though there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.1.4CPE matchmatch criteria | cpe:2.3:a:adobe:reader:8.1.4:*:*:*:*:*:*:* | ||
9.1CPE matchmatch criteria | cpe:2.3:a:adobe:reader:9.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.