How severe is CVE-2012-0817?

CVE-2012-0817 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-0817 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0817?

CVE-2012-0817 primarily affects Samba. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0817?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-0817 published?

CVE-2012-0817 was published on 2012-01-30 and last updated on 2026-06-16.

CVE-2012-0817

CVE-2012-0817 is a medium-severity vulnerability in Samba 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Samba
Published: 2012-01-30
Last modified: 2026-06-16

Description

Memory leak in smbd in Samba 3.6.x before 3.6.3 allows remote attackers to cause a denial of service (memory and CPU consumption) by making many connection requests.

Frequently asked questions

What is CVE-2012-0817?: Memory leak in smbd in Samba 3.6.x before 3.6.3 allows remote attackers to cause a denial of service (memory and CPU consumption) by making many connection requests.
How severe is CVE-2012-0817?: CVE-2012-0817 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-0817 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0817?: CVE-2012-0817 primarily affects Samba. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0817?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0817 published?: CVE-2012-0817 was published on 2012-01-30 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:samba:samba:3.6.0:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:3.6.2:*:*:*:*:*:*:*

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