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Fencer Intel
critical 10.0

CVE-2009-4643 json

Stack-based buffer overflow in dsInstallerService.dll in the Juniper Installer Service, as used in Juniper Odyssey Access Client 4.72.11421…

published 2010-02-15 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-4608

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

Stack-based buffer overflow in dsInstallerService.dll in the Juniper Installer Service, as used in Juniper Odyssey Access Client 4.72.11421.0 and other products, allows remote attackers to execute arbitrary code via a long string in a malformed DSSETUPSERVICE_CMD_UNINSTALL command to the NeoterisSetupService named pipe.

Exploit prediction

3.73% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/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 Intel 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.