CVE-2022-26291

Published: 28 March 2022

lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_buf() and clear_rulist(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted Irz file.

Priority

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package	Release	Status
lrzip Launchpad, Ubuntu, Debian	bionic	Released (0.631-1+deb9u3build0.18.04.1)
	kinetic	Not vulnerable (0.651-2)
	trusty	Not vulnerable (code not present)
	xenial	Released (0.621-1ubuntu0.1~esm2) Available with Ubuntu Pro
	upstream	Needs triage
	impish	Ignored (end of life)
	focal	Released (0.631+git180528-1+deb10u1build0.20.04.1)
	jammy	Not vulnerable (0.651-2)

Severity score breakdown

Parameter	Value
Base score	5.5
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

References

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