Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-3431

36
FAUCET Score

CVE-2009-3431 describes a stack consumption vulnerability in Adobe Reader and Acrobat versions 9.1.3 and earlier, 8.1.6 and earlier, and potentially 7.1.4 and earlier. This flaw allows remote attackers to trigger a denial of service (application crash) by providing a maliciously crafted PDF file containing an excessive number of open square bracket characters within an alert method argument. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required, leading to a potential denial of service. While not actively exploited in the wild (no KEV entry), public exploit code is available via ExploitDB, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:7.0:*:professional:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:7.0:*:standard:*:*:*:*:*
7.0.1CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:7.0.1:*:*:*:*:*:*:*
7.0.1CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:7.0.1:*:professional:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
21.60%
Probability of exploitation in next 30 days
EPSS Percentile
97.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-33017 · May 29, 2009
This CVE's current EPSS score of 0.2160 is in the 97th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media 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.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Extras for RHEL 3Fixed in: acroread-0:8.1.7-1
View patch
redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: acroread-0:8.1.7-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: acroread-0:8.1.7-1.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-3431Important

acroread: Multiple DoS fixes in 8.1.7 (APSB09-15)

Oct 13, 2009

References

securitytracker.com / id
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6532
adobe.com / support/security/bulletins/apsb09-15.html
securityfocus.com / bid/35148
Exploit
us-cert.gov / cas/techalerts/TA09-286B.html
US Government Resource
vupen.com / english/advisories/2009/2898
Vendor Advisory