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Fencer Intel
low 3.3

CVE-2019-3832 json

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_wri…

published 7y ago modified 4mo ago also EUVD-2019-13452

cvss
3.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

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.

Patch / fix

  • libsndfile Debian 14, Debian 13, Debian 12 1.0.28-6

debian advisories DEBIAN-CVE-2019-3832

  • libsndfile Ubuntu 16.04 LTS 1.0.25-10ubuntu0.16.04.2
  • libsndfile Ubuntu 18.04 LTS 1.0.28-4ubuntu0.18.04.1
  • libsndfile Ubuntu Pro 14.04 LTS 1.0.25-7ubuntu2.2+esm1

ubuntu advisories UBUNTU-CVE-2019-3832

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 Alpine 3.24, Alpine 3.23, Alpine 3.22 +13 more 1.0.28-r8
  • libsndfile Alpine 3.7 1.0.28-r5
  • libsndfile Alpine 3.8 1.0.28-r6

alpine advisories ALPINE-CVE-2019-3832

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libsndfile Arch Linux 1.0.31-1
  • lib32-libsndfile Arch Linux 1.0.31-1

arch linux advisories AVG-1549AVG-1550

Is CVE-2019-3832 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2019-3832 updated cvss 3.3

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

  • Red Hat Enterprise Linux 6 libsndfile
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 libsndfile, libsndfile-utils Red Hat Enterprise Linux 8 libsndfile, libsndfile-utils
    affected: no fix available “Fix deferred”

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

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/erikd/libsndfile/issues/456 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 1.9 AV:L/AC:M/Au:N/C:N/I:N/A:P

Affected products

  • [UNKNOWN] libsndfile

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.