Vulnerability Details : CVE-2020-22916
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.
Vulnerability category: Denial of service
Products affected by CVE-2020-22916
- cpe:2.3:a:tukaani:xz:5.2.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-22916
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-22916
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
References for CVE-2020-22916
-
https://security-tracker.debian.org/tracker/CVE-2020-22916
CVE-2020-22916
-
https://github.com/tukaani-project/xz/issues/61
Fix for CVE-2020-22916 · Issue #61 · tukaani-project/xz · GitHub
-
https://tukaani.org/xz/
XZ UtilsProduct
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http://web.archive.org/web/20230918084612/https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-denial-of-service-vulnerability
-
https://bugzilla.suse.com/show_bug.cgi?id=1214590
1214590 – (CVE-2020-22916) VUL-0: CVE-2020-22916: xz: denial-of-service via decompression of crafted file
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https://bugzilla.redhat.com/show_bug.cgi?id=2234987
2234987 – (CVE-2020-22916) CVE-2020-22916 xz: Denial of service via decompression of crafted file
-
https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-denial-of-service-vulnerability
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