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Fencer Vulns
medium 6.5

CVE-2017-16942 json

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…

published 2017-11-25 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-8111

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

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.

Patch / fix

  • libsndfile Debian 14, Debian 13, Debian 12 1.0.27-1

debian advisories DEBIAN-CVE-2017-16942

  • libsndfile Ubuntu 16.04 LTS 1.0.25-10ubuntu0.16.04.2
  • libsndfile Ubuntu Pro 14.04 LTS 1.0.25-7ubuntu2.2+esm1

ubuntu advisories UBUNTU-CVE-2017-16942

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libsndfile SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +6 more 1.0.25-36.7.2
  • libsndfile SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.0.20-2.19.7.3

suse advisories SUSE-SU-2018:0352-1SUSE-SU-2018:0351-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-16942 updated cvss 4.3

libsndfile: divide-by-zero error in wav_w64_read_fmt_chunk()

  • Red Hat Enterprise Linux 6 libsndfile Red Hat Enterprise Linux 7 libsndfile, libsndfile-utils
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.