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CVE-2017-7652

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file,...

7.5 HighFix available

CVE-2017-7652 is a high vulnerability (CVSS 7.5) in Debian Linux, published March 31, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.62%, the 76th percentile. Fixed in mosquitto 1.4.15-r0.

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.62%Up 0.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Record
CVE-2017-7652
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.0 MediumAV:N/AC:M/Au:S/C:P/I:P/A:P
Weakness
CWE-789
Updated
2026-11-02
CVE List No score

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Record
CVE-2017-7652
Weakness
CWE-789
Updated
2026-11-02
EUVDEUVD-2017-16657 No score

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Record
EUVD-2017-16657
Updated
2026-11-03
GitHub AdvisoriesGHSA-7349-r6vq-ggx3 7.5

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file,...

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Record
GHSA-7349-r6vq-ggx3
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVALPINE-CVE-2017-7652 7.5

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Record
ALPINE-CVE-2017-7652
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVBELL-CVE-2017-7652 7.5

CVE-2017-7652 does not affect BellSoft software

Record
BELL-CVE-2017-7652
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 4 moreShow less
OSV 7.5

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Record
CVE-2017-7652
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-7652 7.5

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Record
DEBIAN-CVE-2017-7652
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-7652 7.5

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Record
UBUNTU-CVE-2017-7652
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:11057-1 No score

libmosquitto1-2.0.11-1.2 on GA media

These are all security issues fixed in the libmosquitto1-2.0.11-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11057-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mosquitto
Alpine:v3.10
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.11
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.12
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.13
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.14
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.15
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.16
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.17
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.18
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.19
 1.0 up to 1.4.15-r0
1.4.15-r0
Show 18 moreShow less
Affected packages
PackageAffectedFixed
mosquitto
Alpine:v3.20
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.21
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.22
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.23
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.24
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.5
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.6
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.7
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.8
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Alpine:v3.9
 1.0 up to 1.4.15-r0
1.4.15-r0
mosquitto
Debian:12
 before 1.4.15-1
1.4.15-1
mosquitto
Debian:13
 before 1.4.15-1
1.4.15-1
mosquitto
Debian:14
 before 1.4.15-1
1.4.15-1
mosquitto
Debian:7
 before 0.15-2+deb7u3, plus listed versions
0.15-20.15-2+deb7u10.15-2+deb7u2
0.15-2+deb7u3
mosquitto
Debian:8
 before 1.3.4-2+deb8u2, plus listed versions
1.3.4-21.3.4-2+deb8u1
1.3.4-2+deb8u2
mosquitto
Debian:9
 before 1.4.10-3+deb9u2, plus listed versions
1.4.10-31.4.10-3+deb9u1
1.4.10-3+deb9u2
mosquitto
Ubuntu:14.04:LTS
 before 0.15-2+deb7u3ubuntu0.1, plus listed versions
0.15-2ubuntu10.15-2ubuntu1.10.15-2ubuntu1.2
0.15-2+deb7u3ubuntu0.1
mosquitto
Ubuntu:16.04:LTS
 before 1.4.8-1ubuntu0.16.04.4, plus listed versions
1.4.3-11.4.4-11.4.7-11.4.8-11.4.8-1build11.4.8-1ubuntu0.16.04.11.4.8-1ubuntu0.16.04.21.4.8-1ubuntu0.16.04.3
1.4.8-1ubuntu0.16.04.4

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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