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Vulnerability record · CVE-2018-19432 · published 22 November 2018

CVE-2018-19432: Libsndfile project libsndfile null pointer dereference vulnerability

LLibsndfile Project · Libsndfile

An issue was discovered in libsndfile 1.0.28. There is a NULL pointer dereference in the function sf_write_int in sndfile.c, which will lead to a denial of service.

6.5 CVSS 3.0 Medium EPSS 3.0% · top 13.3% CWE-476 · NULL pointer dereference
6.5CVSS 3.0 base score, v2 4.3
3.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in libsndfile 1.0.28. There is a NULL pointer dereference in the function sf_write_int in sndfile.c, which will lead to a denial of service.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/105996 Third Party AdvisoryVDB Entry
https://github.com/erikd/libsndfile/issues/427 ExploitPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00016.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/4013-1/
http://www.securityfocus.com/bid/105996 Third Party AdvisoryVDB Entry
https://github.com/erikd/libsndfile/issues/427 ExploitPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00016.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/4013-1/

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Source: NIST National Vulnerability Database (record CVE-2018-19432), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.