CVE-2021-35516

Apache Commons Compress 1.6 to 1.20 denial of service vulnerability

HIGH
7.5
CVSS Score
Published: July 13, 2021 at 07:15 AM UTC
Updated: June 17, 2026 at 03:57 AM UTC
24 products affected across 3 vendorsOnCommand InsightActive IQ Unified ManagerPeopleSoft Enterprise PeopleTools

Using Apache Commons Compress by Apache Software Foundation?

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Severity
HIGH7.5
Exploit prediction
EPSS 12%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-130CWE-770

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