CVE-2009-0798

CVE-2009-0798 is a medium-severity vulnerability in Tim Hockin Acpid 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. The underlying weakness is classified as CWE-399.

Key facts

Description

ACPI Event Daemon (acpid) before 1.0.10 allows remote attackers to cause a denial of service (CPU consumption and connectivity loss) by opening a large number of UNIX sockets without closing them, which triggers an infinite loop.

Frequently asked questions

What is CVE-2009-0798?
ACPI Event Daemon (acpid) before 1.0.10 allows remote attackers to cause a denial of service (CPU consumption and connectivity loss) by opening a large number of UNIX sockets without closing them, which triggers an infinite loop.
How severe is CVE-2009-0798?
CVE-2009-0798 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-0798 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0798?
CVE-2009-0798 primarily affects Tim Hockin Acpid. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0798?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0798 published?
CVE-2009-0798 was published on 2009-04-24 and last updated on 2026-06-16.

References

Affected products (11)

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