HOMEVULNERABILITIESCVE-2018-6358
HIGH

CVE-2018-6358

CWE-787Published: January 27, 2018· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

The printDefineFont2 function (util/listfdb.c) in libming through 0.4.8 is vulnerable to a heap-based buffer overflow, which may allow attackers to cause a denial of service or unspecified other impact via a crafted FDB file.

NVD Source

Technical Analysis

CVE-2018-6358 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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 8.8.

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

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
libming1 product(s)
libming
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://github.com/libming/libming/issues/104
ADVISORYhttps://lists.debian.org/debian-lts-announce/2018/04/msg00008.html
ADVISORYhttps://security.gentoo.org/glsa/201904-24
ADVISORYhttps://github.com/libming/libming/issues/104
ADVISORYhttps://lists.debian.org/debian-lts-announce/2018/04/msg00008.html
ADVISORYhttps://security.gentoo.org/glsa/201904-24

All References (6)

→
https://github.com/libming/libming/issues/104Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2018/04/msg00008.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/201904-24Third Party Advisory
→
https://github.com/libming/libming/issues/104Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2018/04/msg00008.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/201904-24Third Party Advisory

Quick Facts

CVE IDCVE-2018-6358
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected2 vendor(s)
PublishedJan 27, 2018

Related CVEs (CWE-787)

CVE-2015-5096
10.0
CVE-2015-5098
10.0
CVE-2014-1478
10.0
CVE-2015-5105
10.0
CVE-2012-3957
10.0
CVE-2018-6692
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-6358 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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