{"id":"CVE-2020-22916","aliases":["EUVD-2020-15672","GHSA-8rm5-v9qv-hvcc"],"status":"disputed","title":"An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression...","description":"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":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00249,"percentile":0.16259,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-08-22T00:00:00Z","modified":"2026-10-20T10:52:48Z","products":[{"vendor":"tukaani","product":"xz"}],"references":[{"url":"https://tukaani.org/xz/","tags":["x_transferred","Product","web"]},{"url":"https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-denial-of-service-vulnerability","tags":["x_transferred","Broken Link","package"]},{"url":"https://github.com/tukaani-project/xz/issues/61","tags":["x_transferred","report"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-22916","tags":["x_transferred","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2234987","tags":["x_transferred","report"]},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1214590","tags":["x_transferred","report"]},{"url":"http://web.archive.org/web/20230918084612/https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-denial-of-service-vulnerability","tags":["x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-22916"},{"url":"https://tukaani.org/xz"},{"url":"https://github.com/advisories/GHSA-8rm5-v9qv-hvcc"}],"sources":{"cve":[{"id":"CVE-2020-22916","description":"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.","status":"disputed","published":"2023-08-22T00:00:00Z","modified":"2024-10-29T13:27:25.557Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-15672","description":"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.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-29T13:27:25Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:05:15.24326Z"}],"ghsa":[{"id":"GHSA-8rm5-v9qv-hvcc","title":"An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression...","description":"An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of crafted file.","status":"published","published":"2023-08-22T21:30:25Z","modified":"2024-03-30T05:01:54Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:55:45.740984Z"}],"nvd":[{"id":"CVE-2020-22916","description":"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.","status":"disputed","published":"2023-08-22T19:16:19.407Z","modified":"2026-06-17T03:04:26.037Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:06:47.910346Z"}],"osv":[{"id":"CVE-2020-22916","description":"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.","status":"published","published":"2023-08-22T19:16:19.407Z","modified":"2026-10-20T10:52:48.818956861Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:15.534837Z"}]}}