What is CVE-2018-19758?

CVE-2018-19758 is a medium-severity vulnerability in Libsndfile Project, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-11-30.

How severe is CVE-2018-19758?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Libsndfile Project

CVE-2018-19758

There is a heap-based buffer over-read at wav.c in wav_write_header in libsndfile 1.0.28 that will cause a denial of service.

Vulnerability class: Buffer Overflow

Published 2018-11-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Libsndfile Project — versions 1.0.28
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
lists.debian.org/debian-lts-announce/2019/01/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
usn.ubuntu.com/4013-1/ (vendor-advisory)
lists.debian.org/debian-lts-announce/2020/10/msg00030.html (mailing-list)

Frequently asked questions

What is CVE-2018-19758?: CVE-2018-19758 is a medium-severity vulnerability in Libsndfile Project, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-11-30.
How severe is CVE-2018-19758?: Medium severity. CVSS v3 base score is 6.5 out of 10.