CVE-2009-4075

CVE-2009-4075 is a medium-severity vulnerability in Sun Opensolaris with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Unspecified vulnerability in the timeout mechanism in sshd in Sun Solaris 10, and OpenSolaris snv_99 through snv_123, allows remote attackers to cause a denial of service (daemon outage) via unknown vectors that trigger a "dangling sshd authentication thread."

Frequently asked questions

What is CVE-2009-4075?
Unspecified vulnerability in the timeout mechanism in sshd in Sun Solaris 10, and OpenSolaris snv_99 through snv_123, allows remote attackers to cause a denial of service (daemon outage) via unknown vectors that trigger a "dangling sshd authentication thread."
How severe is CVE-2009-4075?
CVE-2009-4075 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-4075 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4075?
CVE-2009-4075 primarily affects Sun Opensolaris. In total, 52 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4075?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4075 published?
CVE-2009-4075 was published on 2009-11-25 and last updated on 2026-06-16.

References

Affected products (52)

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