What is CVE-2017-16942?

CVE-2017-16942 is a medium-severity vulnerability in Libsndfile Project, classified under Divide By Zero. CVSS score: 6.5/10. Published 2017-11-25.

How severe is CVE-2017-16942?

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

Vulnerability in Libsndfile Project

CVE-2017-16942

In libsndfile 1.0.25 (fixed in 1.0.26), a divide-by-zero error exists in the function wav_w64_read_fmt_chunk() in wav_w64.c, which may lead to DoS when playing a crafted audio file.

Published 2017-11-25 · 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: 0.012 (67.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% 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

Libsndfile Project — versions 1.0.25

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

github.com/erikd/libsndfile/issues/341 (Third Party Advisory)
usn.ubuntu.com/4013-1/ (vendor-advisory)

Frequently asked questions

What is CVE-2017-16942?: CVE-2017-16942 is a medium-severity vulnerability in Libsndfile Project, classified under Divide By Zero. CVSS score: 6.5/10. Published 2017-11-25.
How severe is CVE-2017-16942?: Medium severity. CVSS v3 base score is 6.5 out of 10.