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.
CVSS score
9.1/10
010
Critical · v3.1 (NVD)EPSS score
1.57%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 02-05-2022PublishedVulnerability first disclosed.
- 03-08-2024Last 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 versionsCritical 9.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
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 score1.57%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Affected systems
Debian1 product
- sox< 14.4.2+git20190427-3.2
Sound_exchange_project1 product
- sound_exchange14.4.1
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