CVE-2020-22219

Publication date 22 August 2023

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Buffer Overflow vulnerability in function bitwriter_grow_ in flac before 1.4.0 allows remote attackers to run arbitrary code via crafted input to the encoder.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
flac	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.04 LTS jammy	Fixed 1.3.3-2ubuntu0.2
	20.04 LTS focal	Fixed 1.3.3-1ubuntu0.2
	18.04 LTS bionic	Fixed 1.3.2-1ubuntu0.1+esm1
	16.04 LTS xenial	Fixed 1.3.1-4ubuntu0.1~esm2
	14.04 LTS trusty	Fixed 1.3.0-2ubuntu0.14.04.1+esm2

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
flac	Upstream: 21fe95e

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	7.8 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-6360-1
FLAC vulnerability
12 September 2023

USN-6360-2
FLAC vulnerability
22 September 2023

Other references

https://www.cve.org/CVERecord?id=CVE-2020-22219