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Vulnerability record · CVE-2019-16892 · published 25 September 2019

CVE-2019-16892: Rubyzip project rubyzip vulnerability

RRubyzip Project · Rubyzip

In Rubyzip before 1.3.0, a crafted ZIP file can bypass application checks on ZIP entry sizes because data about the uncompressed size can be spoofed. This allows attackers to cause a denial of service (disk consumption).

5.5 CVSS 3.1 Medium EPSS 1.6% · top 25.4%
5.5CVSS 3.1 base score, v2 7.1
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
14References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Rubyzip before 1.3.0, a crafted ZIP file can bypass application checks on ZIP entry sizes because data about the uncompressed size can be spoofed. This allows attackers to cause a denial of service (disk consumption).

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHBA-2019:4047 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4201 Third Party Advisory
https://github.com/rubyzip/rubyzip/commit/d65fe7bd283ec94f9d6dc7605f61a6b0dd00f55e Patch
https://github.com/rubyzip/rubyzip/pull/403 ExploitIssue TrackingPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J45KSFPP6DFVWLC7Z73L7SX Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MWWPORMSBHZTMP4PGF4DQD2 Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X255K6ZBAQC462PQN2ND5HO Mailing List
https://access.redhat.com/errata/RHBA-2019:4047 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4201 Third Party Advisory
https://github.com/rubyzip/rubyzip/commit/d65fe7bd283ec94f9d6dc7605f61a6b0dd00f55e Patch
https://github.com/rubyzip/rubyzip/pull/403 ExploitIssue TrackingPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J45KSFPP6DFVWLC7Z73L7SX Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MWWPORMSBHZTMP4PGF4DQD2 Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X255K6ZBAQC462PQN2ND5HO Mailing List

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Source: NIST National Vulnerability Database (record CVE-2019-16892), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.