CVE-2020-22219

Published: 22 August 2023

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.

Priority

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package	Release	Status
flac Launchpad, Ubuntu, Debian	trusty	Released (1.3.0-2ubuntu0.14.04.1+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	xenial	Released (1.3.1-4ubuntu0.1~esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	bionic	Released (1.3.2-1ubuntu0.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	focal	Released (1.3.3-1ubuntu0.2)
	jammy	Released (1.3.3-2ubuntu0.2)
	lunar	Not vulnerable (1.4.2+ds-2ubuntu1)
	upstream	Released (1.4.0)
	Patches: upstream: https://github.com/xiph/flac/commit/21fe95ee828b0b9b944f6aa0bb02d24fbb981815

Severity score breakdown

Parameter	Value
Base score	7.8
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Bugs

https://github.com/xiph/flac/issues/215

Join the discussion

Canonical is offering Expanded Security Maintenance

Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›