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CVE-2018-19432

23
FAUCET Score

CVE-2018-19432 is a NULL pointer dereference vulnerability found in libsndfile version 1.0.28, specifically within the sf_write_int function in sndfile.c, affecting Debian and libsndfile_project products. This vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and leading to a high impact denial-of-service. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.28CPE matchmatch criteria
cpe:2.3:a:libsndfile_project:libsndfile:1.0.28:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.96%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0296 is in the 94th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 1.0.31-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 1.0.31-1
microsoftpatch availablevia msrc
Product: cm1 libsndfile 1.0.31-1 on CBL Mariner 1.0Fixed in: 1.0.31-1
microsoftpatch availablevia msrc
Product: 16897-16820Fixed in: 1.0.31-1
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libsndfile
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libsndfile

Vendor Advisories (3)

microsoft2021-Jan/CVE-2018-19432

CVE-2018-19432

Jan 12, 2021
redhatCVE-2018-19432Low

libsndfile: OOB read in sf_write_int in sndfile.c

Nov 22, 2018
microsoft2018-Nov/CVE-2018-19432Moderate

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.

Nov 13, 2018

References

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