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Fencer Vulns
critical 9.3

CVE-2009-3794 in the critical feed json

Heap-based buffer overflow in Adobe Flash Player before 10.0.42.34 and Adobe AIR before 1.5.3 allows remote attackers to execute arbitrary…

published 2009-12-10 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3766

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.6%
EPSS 11.6% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

Heap-based buffer overflow in Adobe Flash Player before 10.0.42.34 and Adobe AIR before 1.5.3 allows remote attackers to execute arbitrary code via crafted dimensions of JPEG data in an SWF file.

Patch / fix

  • flash-plugin RHEL 3 EXTRAS 9.0.260.0-1.el3.with.oss
  • flash-plugin RHEL 4 EXTRAS 9.0.260.0-1.el4
  • flash-plugin RHEL 5 EXTRAS 10.0.42.34-1.el5

red hat advisories RHSA-2009:1658RHSA-2009:1657

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-2009-3794 updated cvss 6.8

flash-plugin: multiple code execution flaws (APSB09-19) (CVE-2009-3794, CVE-2009-3796, CVE-2009-3797, CVE-2009-3798, CVE-2009-3799, CVE-2009-3800)

  • Red Hat Desktop version 3 Extras flash-plugin 9.0.260.0-1.el3.with.oss Red Hat Desktop version 4 Extras flash-plugin 9.0.260.0-1.el4 Red Hat Enterprise Linux AS version 3 Extras flash-plugin 9.0.260.0-1.el3.with.oss Red Hat Enterprise Linux AS version 4 Extras flash-plugin 9.0.260.0-1.el4
    fixed: vendor fix RHSA-2009:1658
  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin 10.0.42.34-1.el5
    fixed: vendor fix RHSA-2009:1657
  • Red Hat Enterprise Linux ES version 3 Extras flash-plugin 9.0.260.0-1.el3.with.oss Red Hat Enterprise Linux ES version 4 Extras flash-plugin 9.0.260.0-1.el4
    fixed: vendor fix RHSA-2009:1658
  • Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin 10.0.42.34-1.el5
    fixed: vendor fix RHSA-2009:1657
  • Red Hat Enterprise Linux WS version 3 Extras flash-plugin 9.0.260.0-1.el3.with.oss Red Hat Enterprise Linux WS version 4 Extras flash-plugin 9.0.260.0-1.el4
    fixed: vendor fix RHSA-2009:1658

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

Exploit prediction

11.56% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • 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.