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CVE-2017-12588

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as...

9.8 CriticalFix available

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.

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
High
Integrity
High
Availability
High

Exploit likelihood

2.83%Up 2.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.

Record
CVE-2017-12588
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-134
Updated
2026-11-02
CVE List No score

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.

Record
CVE-2017-12588
Updated
2026-11-02
EUVDEUVD-2017-4159 No score

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.

Record
EUVD-2017-4159
Updated
2026-11-03
GitHub AdvisoriesGHSA-f39p-m8r2-p6f6 9.8

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as...

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.

Record
GHSA-f39p-m8r2-p6f6
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-134
Updated
2026-11-02
OSV 9.8

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.

Record
CVE-2017-12588
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-12588 9.8

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.

Record
DEBIAN-CVE-2017-12588
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
rsyslog
Debian:12
before 8.28.0-1
8.28.0-1
rsyslog
Debian:13
before 8.28.0-1
8.28.0-1
rsyslog
Debian:14
before 8.28.0-1
8.28.0-1

History

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

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

In short

CVE-2017-12588 is a critical vulnerability (CVSS 9.8) in Rsyslog, published August 6, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.83%, the 86th percentile. Fixed in rsyslog 8.28.0-1.

References

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