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CVE-2018-19432

An issue was discovered in libsndfile 1.0.28. There is a NULL pointer dereference in the function...

6.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.96%Up 1.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

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.

Record
CVE-2018-19432
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2018-19432
Updated
2026-11-02
EUVDEUVD-2018-11123 No score

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.

Record
EUVD-2018-11123
Updated
2026-11-03
GitHub AdvisoriesGHSA-qcq5-35c7-7hvw 6.5

An issue was discovered in libsndfile 1.0.28. There is a NULL pointer dereference in the function...

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.

Record
GHSA-qcq5-35c7-7hvw
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
OSV 6.5

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.

Record
CVE-2018-19432
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-19432 6.5

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.

Record
DEBIAN-CVE-2018-19432
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 8 moreShow less
OSVUBUNTU-CVE-2018-19432 6.5

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.

Record
UBUNTU-CVE-2018-19432
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2021:1166-1 No score

Security update for libsndfile

This update for libsndfile fixes the following issues:

  • CVE-2018-13139: Fixed a stack-based buffer overflow in psf_memset in common.c in libsndfile 1.0.28allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact. (bsc#1100167)
  • CVE-2018-19432: Fixed a NULL pointer dereference in the function sf_write_int in sndfile.c, which will lead to a denial of service. (bsc#1116993)
  • CVE-2021-3246: Fixed a heap buffer overflow vulnerability in msadpcm_decode_block. (bsc#1188540)
  • CVE-2018-19758: Fixed a heap-based buffer over-read at wav.c in wav_write_header in libsndfile 1.0.28 that will cause a denial of service. (bsc#1117954)

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2021:1166-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:2764-1 No score

Security update for libsndfile

This update for libsndfile fixes the following issues:

  • CVE-2018-13139: Fixed a stack-based buffer overflow in psf_memset in common.c in libsndfile 1.0.28allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact. (bsc#1100167)
  • CVE-2018-19432: Fixed a NULL pointer dereference in the function sf_write_int in sndfile.c, which will lead to a denial of service. (bsc#1116993)
  • CVE-2021-3246: Fixed a heap buffer overflow vulnerability in msadpcm_decode_block. (bsc#1188540)
  • CVE-2018-19758: Fixed a heap-based buffer over-read at wav.c in wav_write_header in libsndfile 1.0.28 that will cause a denial of service. (bsc#1117954)
Record
openSUSE-SU-2021:2764-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10992-1 No score

libsndfile-devel-1.0.31-2.2 on GA media

These are all security issues fixed in the libsndfile-devel-1.0.31-2.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10992-1
Updated
2026-11-02
OSVSUSE-SU-2021:2615-1 No score

Security update for libsndfile

This update for libsndfile fixes the following issues:

  • CVE-2018-13139: Fixed a stack-based buffer overflow in psf_memset in common.c in libsndfile 1.0.28allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact. (bsc#1100167)
  • CVE-2018-19432: Fixed a NULL pointer dereference in the function sf_write_int in sndfile.c, which will lead to a denial of service. (bsc#1116993)
  • CVE-2021-3246: Fixed a heap buffer overflow vulnerability in msadpcm_decode_block. (bsc#1188540)
  • CVE-2018-19758: Fixed a heap-based buffer over-read at wav.c in wav_write_header in libsndfile 1.0.28 that will cause a denial of service. (bsc#1117954)
Record
SUSE-SU-2021:2615-1
Updated
2026-11-02
OSVSUSE-SU-2021:2764-1 No score

Security update for libsndfile

This update for libsndfile fixes the following issues:

  • CVE-2018-13139: Fixed a stack-based buffer overflow in psf_memset in common.c in libsndfile 1.0.28allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact. (bsc#1100167)
  • CVE-2018-19432: Fixed a NULL pointer dereference in the function sf_write_int in sndfile.c, which will lead to a denial of service. (bsc#1116993)
  • CVE-2021-3246: Fixed a heap buffer overflow vulnerability in msadpcm_decode_block. (bsc#1188540)
  • CVE-2018-19758: Fixed a heap-based buffer over-read at wav.c in wav_write_header in libsndfile 1.0.28 that will cause a denial of service. (bsc#1117954)
Record
SUSE-SU-2021:2764-1
Updated
2026-11-02
OSVUSN-4013-1 No score

libsndfile vulnerabilities

It was discovered that libsndfile incorrectly handled certain malformed files. A remote attacker could use this issue to cause libsndfile to crash, resulting in a denial of service, or possibly execute arbitrary code.

Record
USN-4013-1
Updated
2026-11-02
OSVUSN-4704-1 No score

libsndfile vulnerabilities

It was discovered that libsndfile incorrectly handled certain malformed files. A remote attacker could use this issue to cause libsndfile to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-12562)

It was discovered that libsndfile incorrectly handled certain malformed files. A remote attacker could use this issue to cause libsndfile to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 ESM. (CVE-2017-14245, CVE-2017-14246, CVE-2017-14634, CVE-2017-16942, CVE-2017-6892, CVE-2018-13139, CVE-2018-19432, CVE-2018-19661, CVE-2018-19662, CVE-2018-19758, CVE-2019-3832)

Record
USN-4704-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libsndfile
Debian:12
before 1.0.28-5
1.0.28-5
libsndfile
Debian:13
before 1.0.28-5
1.0.28-5
libsndfile
Debian:14
before 1.0.28-5
1.0.28-5
libsndfile
Debian:8
before 1.0.25-9.1+deb8u2, plus listed versions
1.0.25-9.11.0.25-9.1+deb8u1
1.0.25-9.1+deb8u2
libsndfile
SUSE:OpenStack Cloud 8
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:OpenStack Cloud 9
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:OpenStack Cloud Crowbar 9
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:Linux Enterprise Software Development Kit 12 SP5
before 1.0.25-36.23.1
1.0.25-36.23.1
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Affected packages
PackageAffectedFixed
libsndfile
SUSE:Linux Enterprise Server 12 SP2-BCL
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:Linux Enterprise Server 12 SP3-LTSS
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:Linux Enterprise Server 12 SP3-BCL
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:Linux Enterprise Server 12 SP4-LTSS
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:Linux Enterprise Server 12 SP5
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
before 1.0.25-36.23.1
1.0.25-36.23.1
libsndfile
SUSE:Linux Enterprise Module for Basesystem 15 SP2
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise Module for Basesystem 15 SP3
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise Module for Package Hub 15 SP2
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise Module for Package Hub 15 SP3
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise High Performance Computing 15-LTSS
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise Server 15-LTSS
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise Server 15 SP1-BCL
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise Server 15 SP1-LTSS
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise Server for SAP Applications 15
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Manager Proxy 4.0
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Manager Retail Branch Server 4.0
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Manager Server 4.0
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
SUSE:Enterprise Storage 6
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
Ubuntu:Pro:14.04:LTS
before 1.0.25-7ubuntu2.2+esm1, plus listed versions
1.0.25-7ubuntu11.0.25-7ubuntu21.0.25-7ubuntu2.11.0.25-7ubuntu2.2
1.0.25-7ubuntu2.2+esm1
libsndfile
Ubuntu:16.04:LTS
before 1.0.25-10ubuntu0.16.04.2, plus listed versions
1.0.25-9.11.0.25-101.0.25-10ubuntu0.16.04.1
1.0.25-10ubuntu0.16.04.2
libsndfile
Ubuntu:18.04:LTS
before 1.0.28-4ubuntu0.18.04.1, plus listed versions
1.0.28-4
1.0.28-4ubuntu0.18.04.1
libsndfile
Ubuntu:16.04:LTS
before 1.0.25-10ubuntu0.16.04.3, plus listed versions
1.0.25-9.11.0.25-101.0.25-10ubuntu0.16.04.11.0.25-10ubuntu0.16.04.2
1.0.25-10ubuntu0.16.04.3
libsndfile
openSUSE:Leap 15.2
before 1.0.28-lp152.6.3.1
1.0.28-lp152.6.3.1
libsndfile-progs
openSUSE:Leap 15.2
before 1.0.28-lp152.6.3.1
1.0.28-lp152.6.3.1
libsndfile
openSUSE:Leap 15.3
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile-progs
openSUSE:Leap 15.3
before 1.0.28-5.12.1
1.0.28-5.12.1
libsndfile
openSUSE:Tumbleweed
before 1.0.31-2.2
1.0.31-2.2

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-19432 is a medium vulnerability (CVSS 6.5) in Libsndfile Project Libsndfile, published November 22, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.96%, the 87th percentile. Fixed in libsndfile 1.0.28-5.

References

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