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No exploitation reportedFix available

CVE-2021-33844

No exploitation reported by the sources we read.

  • Published2022-08-25
  • WeaknessCWE-369

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

A floating point exception (divide-by-zero) issue was discovered in SoX in functon startread() of wav.c file. An attacker with a crafted wav file, could cause an application to crash.

Timeline

dates in UTC
  1. 2022-08-2520:15CVE publishedNVD

Versions per branch

NVD
Sound exchange project sound exchange
BranchAffectedFixed in
14.4= 14.4.2-7no 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

  • soxUbuntu:Pro:16.04:LTSall versions · fixed in 14.4.1-5+deb8u4ubuntu0.1+esm1
  • soxUbuntu:Pro:16.04:LTSall versions · fixed in 14.4.1-5+deb8u4ubuntu0.1+esm2
  • soxUbuntu:Pro:14.04:LTSall versions · fixed in 14.4.1-3ubuntu1.1+esm2
  • soxUbuntu:Pro:14.04:LTSall versions · fixed in 14.4.1-3ubuntu1.1+esm3
  • soxUbuntu:22.04:LTSall versions · fixed in 14.4.2+git20190427-2+deb11u1build0.22.04.1
  • soxUbuntu:22.04:LTSall versions · fixed in 14.4.2+git20190427-2+deb11u2build0.22.04.1
  • soxUbuntu:20.04:LTSall versions · fixed in 14.4.2+git20190427-2+deb11u1build0.20.04.1
  • soxUbuntu:20.04:LTSall versions · fixed in 14.4.2+git20190427-2+deb11u2build0.20.04.1

27 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-33844 Red Hat Product Security1 known affected

    SoX: divide by zero crash in wav.c

    sox as a component of Red Hat Enterprise Linux AI (RHEL AI)

Full record on NVD

Fix

  1. No fix available, says the vendor Red Hat Product Security CVE-2021-33844 · 1 productFix deferred

Detection

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

Sources

  • NVDCVSS 3.15.5read 2026-10-23
  • CNAweakness (CWE)CWE-369known since 2026-10-23
  • NVDweakness (CWE)CWE-369read 2026-10-23
  • FIRST EPSSEPSS score0.5 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2022-08-25
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-3q4f-g8fc-j65f

Frequently asked questions

What is CVE-2021-33844?

A floating point exception (divide-by-zero) issue was discovered in SoX in functon startread() of wav.c file. An attacker with a crafted wav file, could cause an application to crash.

Is CVE-2021-33844 actively exploited?

Active exploitation of CVE-2021-33844 has not been confirmed. Its EPSS score was 0.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-33844?

CVE-2021-33844 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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