CVE-2021-35516 - Denial of Service

Severity: Low2021-08-25

Abstract

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 Products/Versions

Product	Severity	Fixed Release Availability
Oxygen XML Editor 23.1 and older versions	Low	Oxygen XML Editor 23.1 build 2021082307
Oxygen XML Developer 23.1 and older versions	Low	Oxygen XML Developer 23.1 build 2021082307
Oxygen XML Author 23.1 and older versions	Low	Oxygen XML Author 23.1 build 2021082307
Oxygen Content Fusion v4.1 and older	Low	Oxygen Content Fusion 4.1.2 build 2021112414

Mitigation

None

Detail

CVE-2021-35516

Severity: High

CVSS Score: 7.5

The Apache Commons Compress package used by Oxygen XML software products is an affected version mentioned in
CVE-2021-35516 vulnerability description.

Starting with version 23.1 build 2021082307, the Apache Commons Compress package was updated to version 1.21, which includes a fix for this vulnerability.

Revision History

2021-12-07 Starting with Oxygen Content Fusion version 4.1 build 2021112414, the Apache Commons Compress package was updated to version 1.21, which includes a fix for this vulnerability.

List of Security Advisories