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CVE-2021-27347

Published: 10 June 2021

Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
lrzip
Launchpad, Ubuntu, Debian
trusty Needed

upstream Needs triage

xenial Not vulnerable
(code not present)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
jammy Not vulnerable
(0.651-2)
impish Ignored
(end of life)
kinetic Not vulnerable
(0.651-2)
bionic
Released (0.631-1+deb9u3build0.18.04.1)
focal
Released (0.631+git180528-1+deb10u1build0.20.04.1)
lunar Not vulnerable
(0.651-2)
mantic 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