How severe is CVE-2012-0870?

CVE-2012-0870 has a CVSS 2.0 base score of 7.9, rated high severity.

Is CVE-2012-0870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0870?

CVE-2012-0870 primarily affects Samba. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0870?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-0870 published?

CVE-2012-0870 was published on 2012-02-23 and last updated on 2026-06-16.

CVE-2012-0870

CVE-2012-0870 is a high-severity vulnerability in Samba with a CVSS 2.0 base score of 7.9. 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-119.

Key facts

Severity: High (CVSS 2.0 base score 7.9)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Samba
Published: 2012-02-23
Last modified: 2026-06-16

Description

Heap-based buffer overflow in process.c in smbd in Samba 3.0, as used in the file-sharing service on the BlackBerry PlayBook tablet before 2.0.0.7971 and other products, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a Batched (aka AndX) request that triggers infinite recursion.

Frequently asked questions

What is CVE-2012-0870?: Heap-based buffer overflow in process.c in smbd in Samba 3.0, as used in the file-sharing service on the BlackBerry PlayBook tablet before 2.0.0.7971 and other products, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a Batched (aka AndX) request that triggers infinite recursion.
How severe is CVE-2012-0870?: CVE-2012-0870 has a CVSS 2.0 base score of 7.9, rated high severity.
Is CVE-2012-0870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0870?: CVE-2012-0870 primarily affects Samba. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0870?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-0870 published?: CVE-2012-0870 was published on 2012-02-23 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:a:samba:samba:3.0.0:*:*:*:*:*:*:*
cpe:2.3:h:rim:blackberry_playbook_tablet:-:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:*:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:1.0:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:1.0.3:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:1.0.5:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:1.0.6:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:1.0.7:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:1.0.7.2942:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:1.0.7.3312:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:1.0.8.4985:*:*:*:*:*:*:*
cpe:2.3:o:rim:blackberry_playbook_os:1.0.8.6067:*:*:*:*:*:*:*

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