Denial of Service Vulnerability in XZ Product by Tukaani
CVE-2020-22916

5.5MEDIUM

Key Information:

Vendor

Tukaani

Status
Xz
Vendor
CVE Published:
22 August 2023

What is CVE-2020-22916?

A vulnerability in XZ version 5.2.5 allows attackers to potentially cause a denial of service through the decompression of specially crafted files. When these files are processed, they may result in a substantial increase in output size, leading to resource exhaustion. The vendor has disputed claims related to endless output and highlights that while the decompression process produces a larger file, the implications for service disruption warrant further analysis.

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References

https://tukaani.org/xz/
https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-de...
https://github.com/tukaani-project/xz/issues/61

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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