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CVE-2021-35516

Published: 13 July 2021

When reading a specially crafted 7Z archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' sevenz package.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libcommons-compress-java
Launchpad, Ubuntu, Debian
jammy Needs triage

bionic Needs triage

focal Needs triage

groovy Ignored
(end of life)
trusty Does not exist

upstream Needs triage

hirsute Ignored
(end of life)
xenial Needs triage

impish Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
mantic Needs triage

lunar Ignored
(end of life, was needs-triage)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H