What is CVE-2018-14456?

CVE-2018-14456 is a high-severity vulnerability in Linuxsampler Libgig, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-07-20.

How severe is CVE-2018-14456?

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

Is CVE-2018-14456 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Linuxsampler Libgig

CVE-2018-14456

An issue was discovered in libgig 4.1.0. There is an out-of-bounds write in the function DLS::Info::SaveString in DLS.cpp.

Vulnerability class: Buffer Overflow

Published 2018-07-20 · 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: 0.012 (66.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Linuxsampler Libgig — versions 4.1.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

xiaoqx/pocs

References

github.com/TeamSeri0us/pocs/blob/master/libgig/README.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-14456?: CVE-2018-14456 is a high-severity vulnerability in Linuxsampler Libgig, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-07-20.
How severe is CVE-2018-14456?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-14456 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.