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Fencer Vulns
high 8.8

CVE-2009-3459 kev in the critical feed json

Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to ex…

published 2009-10-13 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3441

cvss
8.8
version 3.1, CNA
cisa kev
Exploited
added 2026-05-20
epss
86.5%
EPSS 86.5% chance of exploitation in 30 days, percentile 99.7%
public exploits
4
Metasploit, Exploit-DB

Summary

Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption, as exploited in the wild in October 2009. NOTE: some of these details are obtained from third party information.

Patch / fix

cisa required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  • adobe acrobat 7.1.4, 8.1.7, 9.2
  • adobe acrobat_reader 7.1.4, 8.1.7, 9.2
  • acroread RHEL 3 EXTRAS 8.1.7-1
  • acroread RHEL 4 EXTRAS 8.1.7-1.el4
  • acroread RHEL 5 EXTRAS 8.1.7-1.el5
  • acroread-plugin RHEL 3 EXTRAS 8.1.7-1
  • acroread-plugin RHEL 4 EXTRAS 8.1.7-1.el4
  • acroread-plugin RHEL 5 EXTRAS 8.1.7-1.el5

red hat advisories RHSA-2009:1499

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-3459 updated cvss 6.8

acroread: heap overflow fix in version 8.1.7 (APSB09-15)

  • Red Hat Desktop version 3 Extras acroread 8.1.7-1, acroread-plugin 8.1.7-1 Red Hat Desktop version 4 Extras acroread 8.1.7-1.el4, acroread-plugin 8.1.7-1.el4 Red Hat Enterprise Linux AS version 3 Extras acroread 8.1.7-1, acroread-plugin 8.1.7-1 Red Hat Enterprise Linux AS version 4 Extras acroread 8.1.7-1.el4, acroread-plugin 8.1.7-1.el4 Red Hat Enterprise Linux Desktop Supplementary (v. 5) acroread 8.1.7-1.el5, acroread-plugin 8.1.7-1.el5 Red Hat Enterprise Linux ES version 3 Extras acroread 8.1.7-1, acroread-plugin 8.1.7-1
    +4 more products
    Red Hat Enterprise Linux ES version 4 Extras acroread 8.1.7-1.el4, acroread-plugin 8.1.7-1.el4 Red Hat Enterprise Linux Server Supplementary (v. 5) acroread 8.1.7-1.el5, acroread-plugin 8.1.7-1.el5 Red Hat Enterprise Linux WS version 3 Extras acroread 8.1.7-1, acroread-plugin 8.1.7-1 Red Hat Enterprise Linux WS version 4 Extras acroread 8.1.7-1.el4, acroread-plugin 8.1.7-1.el4
    fixed: vendor fix RHSA-2009:1499

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (Metasploit exploit/windows/browser/adobe_flatedecode_predictor02)
  2. Published
  3. CISA SSVC: exploitation active
  4. Added to CISA KEV
  5. CISA patch deadline

Known exploited

Added
5 mo ago
Patch by
2026-06-03 (5 mo ago)
Ransomware
Not known
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor, product
Adobe, Acrobat and Reader
CISA name
Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
5 mo ago

Exploit prediction

86.53% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.