CVE-2021-40426

Publication date 14 April 2022

Last updated 30 May 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

10.0 · Critical

Score breakdown

A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Status

Package Ubuntu Release Status
sox 25.04 plucky
Needs evaluation
24.10 oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar Ignored end of life, was needs-triage
22.10 kinetic
Fixed 14.4.2+git20190427-3ubuntu0.1
22.04 LTS jammy
Fixed 14.4.2+git20190427-2+deb11u1build0.22.04.1
21.10 impish Ignored end of life
20.04 LTS focal
Fixed 14.4.2+git20190427-2+deb11u1build0.20.04.1
18.04 LTS bionic
Fixed 14.4.2-3ubuntu0.18.04.2
16.04 LTS xenial
Fixed 14.4.1-5+deb8u4ubuntu0.1+esm1
14.04 LTS trusty
Fixed 14.4.1-3ubuntu1.1+esm2

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Severity score breakdown

Parameter Value
Base score 10.0 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references