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Fencer Intel
medium 6.5

CVE-2018-19432 json

An issue was discovered in libsndfile 1.0.28.

published 7y ago modified 4mo ago also EUVD-2018-11123

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

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.

Patch / fix

  • libsndfile Debian 14, Debian 13, Debian 12 1.0.28-5

debian advisories DEBIAN-CVE-2018-19432

  • 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-2018-19432

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 SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +14 more 1.0.28-5.12.1
  • libsndfile SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +9 more 1.0.25-36.23.1

suse advisories SUSE-SU-2021:2764-1SUSE-SU-2021:2615-1

  • libsndfile openSUSE Tumbleweed 1.0.31-2.2
  • libsndfile openSUSE Leap 15.2 1.0.28-lp152.6.3.1
  • libsndfile-progs openSUSE Leap 15.2 1.0.28-lp152.6.3.1
  • libsndfile openSUSE Leap 15.3 1.0.28-5.12.1
  • libsndfile-progs openSUSE Leap 15.3 1.0.28-5.12.1

opensuse advisories openSUSE-SU-2024:10992-1openSUSE-SU-2021:1166-1openSUSE-SU-2021:2764-1

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

arch linux advisories AVG-1549AVG-1550

Is CVE-2018-19432 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-2018-19432 updated cvss 4.7

libsndfile: OOB read in sf_write_int in sndfile.c

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

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

2.96% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/erikd/libsndfile/issues/427 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

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.