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CVE-2019-3832

20
FAUCET Score

CVE-2019-3832 is a buffer over-read vulnerability in the libsndfile library, specifically within the wav_write_header() function, affecting various distributions of Linux including Canonical and Debian. This flaw, an incomplete fix for a previous vulnerability, allows a local attacker to trigger an application crash. Rated 5.5 Medium on the CVSS scale, it requires user interaction and local access, leading to a high impact on availability but no impact on confidentiality or integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.28CPE matchmatch criteria
cpe:2.3:a:libsndfile_project:libsndfile:1.0.28:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
18.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.3LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 45th percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 (9)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: cm1 libsndfile 1.0.31-1 on CBL Mariner 1.0Fixed in: 1.0.31-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 1.0.31-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 1.0.31-1
microsoftpatch availablevia msrc
Product: 16897-16820Fixed in: 1.0.31-1
redhatpatch availablevia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libsndfile
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libsndfile
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libsndfile

Vendor Advisories (3)

microsoft2021-Jan/CVE-2019-3832

CVE-2019-3832

Jan 12, 2021
microsoft2019-Mar/CVE-2019-3832Moderate

It was discovered the fix for CVE-2018-19758 (libsndfile) was not complete and still allows a read beyond the limits of a buffer in wav_write_header() function in wav.c. A local attacker may use this flaw to make the application crash.

Mar 12, 2019
redhatCVE-2019-3832Low

libsndfile: incomplete fix for CVE-2018-19758 still allow to read beyond buffer limits

Feb 7, 2019

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / erikd/libsndfile/issues/456
ExploitThird Party Advisory
github.com / erikd/libsndfile/pull/460
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2020/10/msg00030.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202007-65
Third Party Advisory
usn.ubuntu.com / 4013-1
Third Party Advisory