CVE-2021-35515

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
26 products affected across 3 vendorsOnCommand InsightActive IQ Unified ManagerPeopleSoft Enterprise PeopleTools

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Severity
HIGH7.5
Exploit prediction
EPSS 12%

Description

When reading a specially crafted 7Z archive, the construction of the list of codecs that decompress an entry can result in an infinite loop. 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-834CWE-835

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