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CVE-2020-22916

Date: August 22, 2023

An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the vendor disputes the claims of "endless output" and "denial of service" because decompression of the 17,486 bytes always results in 114,881,179 bytes, which is often a reasonable size increase.

Severity Score

Related Resources (10)

https://bugzilla.suse.com/show_bug.cgi?id=1214590
https://security-tracker.debian.org/tracker/CVE-2020-22916
http://web.archive.org/web/20230918084612/https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-denial-of-service-vulnerability
https://nvd.nist.gov/vuln/detail/CVE-2020-22916
https://tukaani.org/xz/
https://github.com/tukaani-project/xz/issues/61
https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-denial-of-service-vulnerability
https://bugzilla.redhat.com/show_bug.cgi?id=2234987
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-22916
https://www.mend.io/vulnerability-database/CVE-2020-22916

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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