CVE-2014-9756

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2015-11-19 · updated 2026-06-17
Weakness: CWE-369

Description

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.04, 15.10
Flexera Software LLC libsndfile: before 1.0.26 — fixed in 1.0.26
openSUSE Leap: 42.1
Opensuse: 13.1, 13.2

How to fix

Upgrade to a fixed version: Flexera Software LLC libsndfile 1.0.26. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-updates/2015-11/msg00077.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00145.html
http://www.openwall.com/lists/oss-security/2014/12/24/3
http://www.openwall.com/lists/oss-security/2015/11/03/9
http://www.ubuntu.com/usn/USN-2832-1
https://github.com/erikd/libsndfile/commit/725c7dbb95bfaf8b4bb7b04820e3a00cceea9ce6
https://github.com/erikd/libsndfile/issues/92
http://lists.opensuse.org/opensuse-updates/2015-11/msg00077.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00145.html
http://www.openwall.com/lists/oss-security/2014/12/24/3
http://www.openwall.com/lists/oss-security/2015/11/03/9
http://www.ubuntu.com/usn/USN-2832-1

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