CVE-2021-40426

Publication date 14 April 2022

Last updated 11 July 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

10.0 · Critical

Score breakdown

Description

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
Not affected
24.10 oracular Ignored end of life, was needs-triage
24.04 LTS noble
Not affected
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