CVE-2016-9839

Name: CVE-2016-9839
Creator: NVD / NIST
Published: 2016-12-08T08:59:01.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.50%

Last modified Jun 17, 2026

CVE-2016-9839 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In MapServer before 7.0.3, OGR driver error messages are too verbose and may leak sensitive information if data connection fails.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

In MapServer before 7.0.3, OGR driver error messages are too verbose and may leak sensitive information if data connection fails.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.50%

71.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Osgeo	Mapserver	<= 7.0.2

References

http://www.securityfocus.com/bid/94856Broken Link, Third Party Advisory, VDB Entry
https://github.com/mapserver/mapserver/pull/5356Vendor Advisory
http://www.securityfocus.com/bid/94856Broken Link, Third Party Advisory, VDB Entry
https://github.com/mapserver/mapserver/pull/5356Vendor Advisory

Timeline

Published: Dec 8, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9839?

In MapServer before 7.0.3, OGR driver error messages are too verbose and may leak sensitive information if data connection fails.

How severe is CVE-2016-9839?

CVE-2016-9839 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9839?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9839?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST