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CVE-2016-0741

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3...

7.5 HighFix available

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

3.96%Up 2.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.

Record
CVE-2016-0741
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.

Record
CVE-2016-0741
Updated
2026-11-02
EUVDEUVD-2016-0764 No score

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.

Record
EUVD-2016-0764
Updated
2026-11-03
GitHub AdvisoriesGHSA-hx2c-r32g-8w55 7.5

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3...

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.

Record
GHSA-hx2c-r32g-8w55
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 7.5

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.

Record
CVE-2016-0741
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2016-0741 7.5

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.

Record
DEBIAN-CVE-2016-0741
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2016-0741 7.5

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.

Record
UBUNTU-CVE-2016-0741
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2016-0081 No score

Updated 389-ds-base packages fix security vulnerability

An infinite-loop vulnerability was discovered in the 389 directory server, where the server failed to correctly handle unexpectedly closed client connections. A remote attacker able to connect to the server could use this flaw to make the directory server consume an excessive amount of CPU and stop accepting connections (denial of service) (CVE-2016-0741).

Record
MGASA-2016-0081
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
389-ds-base
Debian:12
 before 1.3.4.8-1
1.3.4.8-1
389-ds-base
Debian:13
 before 1.3.4.8-1
1.3.4.8-1
389-ds-base
Mageia:5
 before 1.3.4.8-1.mga5
1.3.4.8-1.mga5
389-ds-base
Red Hat:enterprise_linux:7::client
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-devel
Red Hat:enterprise_linux:7::client
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-libs
Red Hat:enterprise_linux:7::client
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base
Red Hat:enterprise_linux:7::computenode
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-devel
Red Hat:enterprise_linux:7::computenode
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
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Affected packages
PackageAffectedFixed
389-ds-base-libs
Red Hat:enterprise_linux:7::computenode
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base
Red Hat:enterprise_linux:7::server
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-libs
Red Hat:enterprise_linux:7::server
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-devel
Red Hat:enterprise_linux:7::server
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base
Red Hat:enterprise_linux:7::workstation
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-libs
Red Hat:enterprise_linux:7::workstation
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2
389-ds-base-devel
Red Hat:enterprise_linux:7::workstation
 before 0:1.3.4.0-26.el7_2
0:1.3.4.0-26.el7_2

History

History
RecordedChangedSources
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-0741 is a high vulnerability (CVSS 7.5) in Fedoraproject 389 Directory Server, published February 23, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.96%, the 90th percentile. Fixed in 389-ds-base 1.3.4.8-1.

References

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