kbrain

CVE-2009-3431

MEDIUM · CVSS 5.0EPSS 22.0%EU EUVD

Stack consumption vulnerability in Adobe Reader and Acrobat 9.1.3, 9.1.2, 9.1.1, and earlier 9.x versions; 8.1.6 and earlier 8.x versions; and possibly 7.1.4 and earlier 7.x versions allows remote attackers to cause a denial of service (application crash) via a PDF file with a large number of [ (open square bracket) characters in the argument to the alert method. NOTE: some of these details are obtained from third party information.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-119
EPSS score
22.0% (98th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-3413)
Published
September 25, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-3413 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat
  • adobe / acrobat

and 35 more…

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain