Is CVE-2019-5600 actively exploited?

No active exploitation of CVE-2019-5600 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-5600 be exploited remotely?

Yes. CVE-2019-5600 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-5600?

CVE-2019-5600 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2019-5600

CRITICAL

CVE-2019-5600

CWE-787Published: July 3, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In FreeBSD 12.0-STABLE before r349622, 12.0-RELEASE before 12.0-RELEASE-p7, 11.3-PRERELEASE before r349624, 11.3-RC3 before 11.3-RC3-p1, and 11.2-RELEASE before 11.2-RELEASE-p11, a bug in iconv implementation may allow an attacker to write past the end of an output buffer. Depending on the implementation, an attacker may be able to create a denial of service, provoke incorrect program behavior, or induce a remote code execution.

NVD Source

Technical Analysis

CVE-2019-5600 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.