CVE-2009-1886

CVE-2009-1886 is a critical-severity vulnerability in Samba with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-134.

Key facts

Description

Multiple format string vulnerabilities in client/client.c in smbclient in Samba 3.2.0 through 3.2.12 might allow context-dependent attackers to execute arbitrary code via format string specifiers in a filename.

Frequently asked questions

What is CVE-2009-1886?
Multiple format string vulnerabilities in client/client.c in smbclient in Samba 3.2.0 through 3.2.12 might allow context-dependent attackers to execute arbitrary code via format string specifiers in a filename.
How severe is CVE-2009-1886?
CVE-2009-1886 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-1886 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1886?
CVE-2009-1886 primarily affects Samba. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1886?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1886 published?
CVE-2009-1886 was published on 2009-06-25 and last updated on 2026-06-16.

References

Affected products (13)

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