CVE-2009-0837
CriticalPublic exploitStack-based buffer overflow in Foxit Reader 3.0 before Build 1506, including 1120 and 1301, allows remote attackers to execute arbitrary code via a long (1) relative path or (2) absolute path in the filename argument in an action, as demonstrated by the "Open/Execute a file"…
Published Mar 10, 2009 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2009-0837 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Reader3.0 (Foxit).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 76% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
76%
Higher than 99.5% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2009-0837 brief as a PDF
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Description
Stack-based buffer overflow in Foxit Reader 3.0 before Build 1506, including 1120 and 1301, allows remote attackers to execute arbitrary code via a long (1) relative path or (2) absolute path in the filename argument in an action, as demonstrated by the "Open/Execute a file" action.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Reader3.0Foxit | See advisory | n/a |
Timeline
Publicly disclosed
Mar 10, 2009
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory34036
- advisoryhttp://www.coresecurity.com/content/foxit-reader-vulnerabilities
- advisoryhttp://www.foxitsoftware.com/pdf/reader/security.htm#Stackbased
- advisoryADV-2009-0634
- exploitMSF foxit_reader_launch.rb
FAQ
Common Questions.
Stack-based buffer overflow in Foxit Reader 3.0 before Build 1506, including 1120 and 1301, allows remote attackers to execute arbitrary code via a long (1) relative path or (2) absolute path in the filename argument in an action, as demonstrated by the "Open/Execute a file" action.
Affected: Reader3.0 (Foxit). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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