CVE catalog

CVE-2018-8780

ALPINE-CVE-2018-8780

Severity: Medium · CVSS 6.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Published: Mar 28, 2018, 12:00:00 AM UTC
Updated: Jul 8, 2026, 4:31:14 AM UTC
Source: [NVD] · [CVE record]
EPSS: 9.98% · Oct 25, 2026

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters. When using the corresponding method, unintentional directory traversal may be performed.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Alpine	ruby	3.10	`2.5.1-r0`	fixed
Alpine	ruby	3.11	`2.5.1-r0`	fixed
Alpine	ruby	3.12	`2.5.1-r0`	fixed
Alpine	ruby	3.13	`2.5.1-r0`	fixed
Alpine	ruby	3.14	`2.5.1-r0`	fixed
Alpine	ruby	3.15	`2.5.1-r0`	fixed
Alpine	ruby	3.16	`2.5.1-r0`	fixed
Alpine	ruby	3.17	`2.5.1-r0`	fixed
Alpine	ruby	3.18	`2.5.1-r0`	fixed
Alpine	ruby	3.19	`2.5.1-r0`	fixed
Alpine	ruby	3.20	`2.5.1-r0`	fixed
Alpine	ruby	3.21	`2.5.1-r0`	fixed
Alpine	ruby	3.22	`2.5.1-r0`	fixed
Alpine	ruby	3.23	`2.5.1-r0`	fixed
Alpine	ruby	3.24	`2.5.1-r0`	fixed
Alpine	ruby	3.4	`2.3.7-r0`	fixed
Alpine	ruby	3.5	`2.3.7-r0`	fixed
Alpine	ruby	3.6	`2.4.4-r0`	fixed
Alpine	ruby	3.7	`2.4.4-r0`	fixed
Alpine	ruby	3.8	`2.5.1-r0`	fixed
Alpine	ruby	3.9	`2.5.1-r0`	fixed
Ubuntu	ruby1.9.1	14.04	`1.9.3.194-8.1ubuntu2`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.448-1ubuntu1`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.448-1ubuntu2`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-1ubuntu1`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-1ubuntu2`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1.1`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1.2`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1.3`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1.5`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1.6`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1.7`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1.8`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1.10`	vulnerable
Ubuntu	ruby1.9.1	14.04	`1.9.3.484-2ubuntu1.11`	fixed
Ubuntu	ruby2.0	14.04	`2.0.0.299-2`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.343-1`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.343-1ubuntu1`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.353-1`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.353-1ubuntu1`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.484-1ubuntu1`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.484-1ubuntu2`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.484-1ubuntu2.1`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.484-1ubuntu2.2`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.484-1ubuntu2.4`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.484-1ubuntu2.5`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.484-1ubuntu2.6`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.484-1ubuntu2.8`	vulnerable
Ubuntu	ruby2.0	14.04	`2.0.0.484-1ubuntu2.9`	fixed
Ubuntu	ruby2.3	16.04	`2.3.0-1`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.0-2`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.0-4ubuntu2`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.0-4ubuntu3`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.0-5ubuntu1`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.1-2~16.04`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.1-2~16.04.2`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.1-2~16.04.4`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.1-2~16.04.5`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.1-2~16.04.6`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.1-2~16.04.7`	vulnerable
Ubuntu	ruby2.3	16.04	`2.3.1-2~16.04.9`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Alpine	ruby	apk	3.10	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.11	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.12	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.13	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.14	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.15	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.16	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.17	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.18	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.19	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.20	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.21	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.22	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.23	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.24	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.4	`2.3.7-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.5	`2.3.7-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.6	`2.4.4-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.7	`2.4.4-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.8	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Alpine	ruby	apk	3.9	`2.5.1-r0`	Not reported	ALPINE-CVE-2018-8780	Not reported
Ubuntu	ruby1.9.1	deb	14.04	`1.9.3.484-2ubuntu1.11`	Not reported	UBUNTU-CVE-2018-8780	Not reported
Ubuntu	ruby2.0	deb	14.04	`2.0.0.484-1ubuntu2.9`	Not reported	UBUNTU-CVE-2018-8780	Not reported
Ubuntu	ruby2.3	deb	16.04	`2.3.1-2~16.04.9`	Not reported	UBUNTU-CVE-2018-8780	Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed: Oct 23, 2026, 5:37:51 PM UTC

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]