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Fencer Intel
medium 5.0

CVE-2014-9756 json

The psf_fwrite function in file_io.c in libsndfile allows attackers to cause a denial of service (divide-by-zero error and application cras…

published 2015-11-19 10 y ago modified 2026-06-17 4 mo ago also EUVD-2014-9562

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

The psf_fwrite function in file_io.c in libsndfile allows attackers to cause a denial of service (divide-by-zero error and application crash) via unspecified vectors related to the headindex variable.

Patch / fix

  • libsndfile_project libsndfile 1.0.26
  • libsndfile Debian 14, Debian 13, Debian 12 1.0.25-10

debian advisories DEBIAN-CVE-2014-9756

  • libsndfile Ubuntu 14.04 LTS 1.0.25-7ubuntu2.1

ubuntu advisories UBUNTU-CVE-2014-9756

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 12 SP1, SLES 12, SLED 12 SP1 +5 more 1.0.25-25.1
  • libsndfile SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 1.0.20-2.10.2

suse advisories SUSE-SU-2015:2000-1SUSE-SU-2015:2000-2SUSE-SU-2015:1979-1

  • libsndfile openSUSE Tumbleweed 1.0.26-2.4
  • libsndfile-progs openSUSE Tumbleweed 1.0.26-2.4

opensuse advisories openSUSE-SU-2024:10148-1openSUSE-SU-2024:10470-1

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-2014-9756 updated cvss 2.1

libsndfile: division by zero leading to denial of service in psf_fwrite()

  • 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

2.83% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/erikd/libsndfile/issues/92 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.