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No exploitation reportedFix available

CVE-2018-19662

No exploitation reported by the sources we read.

  • Published2018-11-29
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2018-11-2908:29CVE publishedNVD

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
8.0= 8.0no fix published
Libsndfile project libsndfile
BranchAffectedFixed in
1.0= 1.0.28no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • libsndfileUbuntu:Pro:14.04:LTSall versions · fixed in 1.0.25-7ubuntu2.2+esm1
  • libsndfileUbuntu:18.04:LTSall versions · fixed in 1.0.28-4ubuntu0.18.04.1
  • libsndfileUbuntu:16.04:LTSall versions · fixed in 1.0.25-10ubuntu0.16.04.2
  • libsndfileUbuntu:16.04:LTSall versions · fixed in 1.0.25-10ubuntu0.16.04.3
  • libsndfileRocky Linux:8all versions · fixed in 0:1.0.28-10.el8
  • libsndfileRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:1.0.28-10.el8and 3 other packages
  • libsndfileRed Hat:enterprise_linux:7::workstationall versions · fixed in 0:1.0.25-12.el7and 3 other packages
  • libsndfileRed Hat:enterprise_linux:7::serverall versions · fixed in 0:1.0.25-12.el7and 3 other packages

31 more package ranges on OSV.dev

Vendor advisories

  • CVE-2018-19662 Red Hat Product Security104 products fixed · 3 known affected

    libsndfile: buffer over-read in the function i2alaw_array in alaw.c

    libsndfile as a component of Red Hat Enterprise Linux 6 · libsndfile-devel as a component of Red Hat Enterprise Linux 6 · libsndfile.src as a component of Red Hat Enterprise Linux 6

  • RHSA-2020:3922 Red Hat Product Security63 products fixed

    Red Hat Security Advisory: libsndfile security update

  • RHSA-2020:1636 Red Hat Product Security41 products fixed

    Red Hat Security Advisory: libsndfile security update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2020:3922 · 63 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  2. No fix planned, says the vendor Red Hat Product Security CVE-2018-19662 · 3 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Published
2018-11-29
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-2pw9-xw4m-4w44

Frequently asked questions

What is CVE-2018-19662?

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.

Is CVE-2018-19662 actively exploited?

Active exploitation of CVE-2018-19662 has not been confirmed. Its EPSS score was 2.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-19662?

CVE-2018-19662 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

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