CVE-2019-16892
CVE-2019-16892 is a medium-severity vulnerability in Rubyzip Project Rubyzip with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 7.1
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Rubyzip Project Rubyzip
- Published:
- Last modified:
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).
Frequently asked questions
- What is CVE-2019-16892?
- 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).
- How severe is CVE-2019-16892?
- CVE-2019-16892 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-16892 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-16892?
- CVE-2019-16892 primarily affects Rubyzip Project Rubyzip. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-16892?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-16892 published?
- CVE-2019-16892 was published on 2019-09-25 and last updated on 2026-06-17.
References
- https://access.redhat.com/errata/RHBA-2019:4047
- https://access.redhat.com/errata/RHSA-2019:4201
- https://github.com/rubyzip/rubyzip/commit/d65fe7bd283ec94f9d6dc7605f61a6b0dd00f55e
- https://github.com/rubyzip/rubyzip/pull/403
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J45KSFPP6DFVWLC7Z73L7SX735CKZYO6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MWWPORMSBHZTMP4PGF4DQD22TTKBQMMC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X255K6ZBAQC462PQN2ND5HOTTQEJ2G2X/
Affected products (6)
- cpe:2.3:a:rubyzip_project:rubyzip:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:cloudforms:4.7:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:cloudforms:5.11:*:*:*:*:*:*:*
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