CVE-2020-23904

Publication date 10 November 2021

Last updated 4 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A stack buffer overflow in speexenc.c of Speex v1.2 allows attackers to cause a denial of service (DoS) via a crafted WAV file. NOTE: the vendor states "I cannot reproduce it" and it "is a demo program.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
speex	22.04 LTS jammy	Ignored not a bug
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.04 LTS focal	Ignored not a bug
	18.04 LTS bionic	Ignored not a bug
	16.04 LTS xenial	Ignored not a bug
	14.04 LTS trusty	Ignored end of standard support

Notes

leosilva

from upstream none was able to reproduce hence that issue was closed. Marking it as ignored

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H