CVE-2019-15845

Publication date 20 November 2019

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 mishandles path checking within File.fnmatch functions.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ruby2.3	19.10 eoan	Not in release
	19.04 disco	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Fixed 2.3.1-2~ubuntu16.04.14
	14.04 LTS trusty	Not in release
jruby	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected
ruby2.5	19.10 eoan	Fixed 2.5.5-4ubuntu2.1
	19.04 disco	Fixed 2.5.5-1ubuntu1.1
	18.04 LTS bionic	Fixed 2.5.1-1ubuntu1.6
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
ruby2.5	Upstream: a0a2640 Upstream: 02ea1fd

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References

Related Ubuntu Security Notices (USN)

USN-4201-1
Ruby vulnerabilities
26 November 2019

Other references