CVE-2011-0719

CVE-2011-0719 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-119.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 5% (91st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Samba
• Published: 2011-03-01
• Last modified: 2026-06-16

Description

Samba 3.x before 3.3.15, 3.4.x before 3.4.12, and 3.5.x before 3.5.7 does not perform range checks for file descriptors before use of the FD_SET macro, which allows remote attackers to cause a denial of service (stack memory corruption, and infinite loop or daemon crash) by opening a large number of files, related to (1) Winbind or (2) smbd.

Frequently asked questions

What is CVE-2011-0719?

Samba 3.x before 3.3.15, 3.4.x before 3.4.12, and 3.5.x before 3.5.7 does not perform range checks for file descriptors before use of the FD_SET macro, which allows remote attackers to cause a denial of service (stack memory corruption, and infinite loop or daemon crash) by opening a large number of files, related to (1) Winbind or (2) smbd.

How severe is CVE-2011-0719?

CVE-2011-0719 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-0719 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0719?

CVE-2011-0719 primarily affects Samba. In total, 127 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0719?

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

When was CVE-2011-0719 published?

CVE-2011-0719 was published on 2011-03-01 and last updated on 2026-06-16.

References

• http://lists.apple.com/archives/security-announce/2011//Jun/msg00000.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056229.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056241.html
• http://marc.info/?l=bugtraq&m=130835366526620&w=2
• http://samba.org/samba/security/CVE-2011-0719.html
• http://secunia.com/advisories/43482
• http://secunia.com/advisories/43503
• http://secunia.com/advisories/43512
• http://secunia.com/advisories/43517
• http://secunia.com/advisories/43556
• http://secunia.com/advisories/43557
• http://secunia.com/advisories/43843
• http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593629
• http://support.apple.com/kb/HT4723
• http://www.debian.org/security/2011/dsa-2175
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:038
• http://www.redhat.com/support/errata/RHSA-2011-0305.html
• http://www.redhat.com/support/errata/RHSA-2011-0306.html
• http://www.samba.org/samba/history/samba-3.3.15.html
• http://www.samba.org/samba/history/samba-3.4.12.html
• http://www.samba.org/samba/history/samba-3.5.7.html
• http://www.securityfocus.com/bid/46597
• http://www.securitytracker.com/id?1025132
• http://www.ubuntu.com/usn/USN-1075-1
• http://www.vupen.com/english/advisories/2011/0517
• http://www.vupen.com/english/advisories/2011/0518
• http://www.vupen.com/english/advisories/2011/0519
• http://www.vupen.com/english/advisories/2011/0520
• http://www.vupen.com/english/advisories/2011/0522
• http://www.vupen.com/english/advisories/2011/0541

Affected products (127)

• cpe:2.3:a:samba:samba:3.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.2:a:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.2a:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.4:rc1:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.14:a:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.14a:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.17:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.18:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.19:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.20:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.20:a:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.20:b:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.20a:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.20b:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21:a:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21:b:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21:c:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21a:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21b:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21c:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.22:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.23:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.23:a:*:*:*:*:*:*

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