9.1

CVE-2021-3643: sound_exchange_project sound_exchange Out-of-bounds Read

CVSS: 9.1v3.1CriticalModified
AliasesUBUNTU-CVE-2021-3643DEBIAN-CVE-2021-3643
Published 02-05-2022Last modified 03-08-2024

Vulnerability summary

CVE-2021-3643 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in sound_exchange_project sound_exchange. EPSS estimates a 1.57% chance of exploitation in the next 30 days, higher than 75.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
1.57%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 4

Timeline

  1. 02-05-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in sox 14.4.1. The lsx_adpcm_init function within libsox leads to a global-buffer-overflow. This flaw allows an attacker to input a malicious file, leading to the disclosure of sensitive information.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.57%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.57% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • sox< 14.4.2+git20190427-3.2
Sound_exchange_project1 product
Ubuntu1 product
  • sox< 14.4.1-3ubuntu1.1+esm2 | < 14.4.1-5+deb8u4ubuntu0.1+esm1 | < 14.4.2-3ubuntu0.18.04.2 | < 14.4.2+git20190427-2+deb11u1build0.20.04.1 | < 14.4.2+git20190427-2+deb11u1build0.22.04.1

3 vendors · 3 products

References

5 links