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CVE-2018-19662

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function...

8.1 HighFix available

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that 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
High
Integrity
None
Availability
High

Exploit likelihood

2.31%Up 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.1

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.

Record
CVE-2018-19662
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
CVSS 2.0
5.8 MediumAV:N/AC:M/Au:N/C:P/I:N/A:P
Weakness
CWE-125
Updated
2026-11-02
CVE List No score

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.

Record
CVE-2018-19662
Updated
2026-11-02
EUVDEUVD-2018-11346 No score

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.

Record
EUVD-2018-11346
Updated
2026-11-03
GitHub AdvisoriesGHSA-2pw9-xw4m-4w44 8.1

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function...

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.

Record
GHSA-2pw9-xw4m-4w44
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
OSVALPINE-CVE-2018-19662 8.1

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.

Record
ALPINE-CVE-2018-19662
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2018-19662 8.1

CVE-2018-19662 does not affect BellSoft software

Record
BELL-CVE-2018-19662
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Updated
2026-11-02
Show 10 moreShow less
OSV 8.1

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.

Record
CVE-2018-19662
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-19662 8.1

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.

Record
DEBIAN-CVE-2018-19662
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Updated
2026-11-02
OSVRHSA-2020:1636 7.8

Red Hat Security Advisory: libsndfile security update

Record
RHSA-2020:1636
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2020:3922 3.3

Red Hat Security Advisory: libsndfile security update

Record
RHSA-2020:3922
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Updated
2026-11-02
OSVRLSA-2020:1636 7.8

Moderate: libsndfile security update

libsndfile is a C library for reading and writing files containing sampled sound, such as AIFF, AU, or WAV.

Security Fix(es):

  • libsndfile: stack-based buffer overflow in sndfile-deinterleave utility (CVE-2018-13139)

  • libsndfile: buffer over-read in the function i2alaw_array in alaw.c (CVE-2018-19662)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.2 Release Notes linked from the References section.

Record
RLSA-2020:1636
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-19662 8.1

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.

Record
UBUNTU-CVE-2018-19662
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Updated
2026-11-02
OSVALSA-2020:1636 No score

Moderate: libsndfile security update

libsndfile is a C library for reading and writing files containing sampled sound, such as AIFF, AU, or WAV.

Security Fix(es):

  • libsndfile: stack-based buffer overflow in sndfile-deinterleave utility (CVE-2018-13139)

  • libsndfile: buffer over-read in the function i2alaw_array in alaw.c (CVE-2018-19662)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2020:1636
Updated
2026-11-02
OSVMGASA-2020-0197 No score

Updated libsndfile packages fix security vulnerabilities

Updated libsndfile packages fix security vulnerabilities:

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2ulaw_array in ulaw.c that will lead to a denial of service (CVE-2018-19661).

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service (CVE-2018-19662).

Record
MGASA-2020-0197
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
Alpine:v3.10
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.11
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.12
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.13
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.14
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.15
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.16
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.17
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.18
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.19
before 1.0.28-r6
1.0.28-r6
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Affected packages
PackageAffectedFixed
libsndfile
Alpine:v3.20
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.21
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.22
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.23
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.24
before 1.0.28-r6
1.0.28-r6
libsndfile
Alpine:v3.5
before 1.0.28-r4
1.0.28-r4
libsndfile
Alpine:v3.6
before 1.0.28-r4
1.0.28-r4
libsndfile
Alpine:v3.7
before 1.0.28-r4
1.0.28-r4
libsndfile
Alpine:v3.8
before 1.0.28-r5
1.0.28-r5
libsndfile
Alpine:v3.9
before 1.0.28-r6
1.0.28-r6
libsndfile-devel
AlmaLinux:8
before 1.0.28-10.el8
1.0.28-10.el8
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
Debian:9
before 1.0.27-3+deb9u1, plus listed versions
1.0.27-3
1.0.27-3+deb9u1
libsndfile
Mageia:7
before 1.0.28-8.2.mga7
1.0.28-8.2.mga7
libsndfile
Red Hat:enterprise_linux:8::appstream
before 0:1.0.28-10.el8
0:1.0.28-10.el8
libsndfile-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:1.0.28-10.el8
0:1.0.28-10.el8
libsndfile-debugsource
Red Hat:enterprise_linux:8::appstream
before 0:1.0.28-10.el8
0:1.0.28-10.el8
libsndfile-utils-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:1.0.28-10.el8
0:1.0.28-10.el8
libsndfile-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:1.0.28-10.el8
0:1.0.28-10.el8
libsndfile-debugsource
Red Hat:enterprise_linux:8::crb
before 0:1.0.28-10.el8
0:1.0.28-10.el8
libsndfile-devel
Red Hat:enterprise_linux:8::crb
before 0:1.0.28-10.el8
0:1.0.28-10.el8
libsndfile-utils-debuginfo
Red Hat:enterprise_linux:8::crb
before 0:1.0.28-10.el8
0:1.0.28-10.el8
libsndfile
Red Hat:enterprise_linux:7::client
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-debuginfo
Red Hat:enterprise_linux:7::client
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-devel
Red Hat:enterprise_linux:7::client
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-utils
Red Hat:enterprise_linux:7::client
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile
Red Hat:enterprise_linux:7::computenode
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-debuginfo
Red Hat:enterprise_linux:7::computenode
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-devel
Red Hat:enterprise_linux:7::computenode
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-utils
Red Hat:enterprise_linux:7::computenode
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile
Red Hat:enterprise_linux:7::server
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-debuginfo
Red Hat:enterprise_linux:7::server
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-devel
Red Hat:enterprise_linux:7::server
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-utils
Red Hat:enterprise_linux:7::server
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile
Red Hat:enterprise_linux:7::workstation
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-debuginfo
Red Hat:enterprise_linux:7::workstation
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-devel
Red Hat:enterprise_linux:7::workstation
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile-utils
Red Hat:enterprise_linux:7::workstation
before 0:1.0.25-12.el7
0:1.0.25-12.el7
libsndfile
Rocky Linux:8
before 0:1.0.28-10.el8
0:1.0.28-10.el8
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

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-2018-19662 is a high vulnerability (CVSS 8.1) in Libsndfile Project Libsndfile, published November 29, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.31%, the 83rd percentile. Fixed in libsndfile 1.0.28-r6.

References

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