What is CVE-2018-6358?

CVE-2018-6358 is a high-severity vulnerability in Libming, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-01-27.

How severe is CVE-2018-6358?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Libming

CVE-2018-6358

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.

Vulnerability class: Buffer Overflow

Published 2018-01-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (78.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Libming
Debian Linux — versions 7.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

lists.debian.org/debian-lts-announce/2018/04/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
github.com/libming/libming/issues/104 (Third Party Advisory)
security.gentoo.org/glsa/201904-24 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-6358?: CVE-2018-6358 is a high-severity vulnerability in Libming, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-01-27.
How severe is CVE-2018-6358?: High severity. CVSS v3 base score is 8.8 out of 10.