CVE catalog

CVE-2018-1000079

rubygems: CVE-2018-1000079

Severity: Medium · CVSS 5.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Published: Feb 15, 2018, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.78% · Oct 25, 2026

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.

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
Debian	jruby	sid	`10.1.2.0+ds-1`	fixed
Debian	jruby	forky	`10.1.2.0+ds-1`	fixed
Debian	jruby	trixie	`9.4.8.0+ds-3`	fixed
Debian	jruby	bookworm	`9.3.9.0+ds-8`	fixed
Debian	rubygems	sid	`4.0.22-1`	fixed
Debian	rubygems	forky	`4.0.22-1`	fixed
Debian	rubygems	trixie	`3.6.7-2`	fixed
Debian	rubygems	bookworm	`3.3.15-2+deb12u1`	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`	fixed
Ubuntu	jruby	pro	`1.5.6-5ubuntu1`	vulnerable
Ubuntu	jruby	pro	`1.5.6-6`	vulnerable
Ubuntu	jruby	pro	`1.5.6-7`	vulnerable
Ubuntu	jruby	pro	`1.5.6-9+deb8u2build0.14.04.1~esm2`	vulnerable
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`	fixed
Ubuntu	jruby	16.04	`1.7.21-2ubuntu4`	vulnerable
Ubuntu	jruby	16.04	`1.7.22-1ubuntu1`	vulnerable
Ubuntu	jruby	18.04	`9.1.13.0-1`	vulnerable
Ubuntu	jruby	18.04	`9.1.17.0-1~18.04`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	jruby	source	sid	`9.1.17.0-1`	not yet assigned	Not reported	[895778]
Debian	jruby	source	forky	`9.1.17.0-1`	not yet assigned	Not reported	[895778]
Debian	jruby	source	trixie	`9.1.17.0-1`	not yet assigned	Not reported	[895778]
Debian	jruby	source	bookworm	`9.1.17.0-1`	not yet assigned	Not reported	[895778]
Debian	rubygems	source	sid	`3.2.0~rc.1-1`	not yet assigned	Not reported	Not reported
Debian	rubygems	source	forky	`3.2.0~rc.1-1`	not yet assigned	Not reported	Not reported
Debian	rubygems	source	trixie	`3.2.0~rc.1-1`	not yet assigned	Not reported	Not reported
Debian	rubygems	source	bookworm	`3.2.0~rc.1-1`	not yet assigned	Not reported	Not reported
Ubuntu	ruby2.0	deb	14.04	`2.0.0.484-1ubuntu2.6`	Not reported	UBUNTU-CVE-2018-1000079	Not reported
Ubuntu	ruby2.3	deb	16.04	`2.3.1-2~16.04.7`	Not reported	UBUNTU-CVE-2018-1000079	Not reported

[Debian bug #895778]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[bundler]Fixed
Source package: [rubygems]
Details (2)
- 2.3.15-2+deb12u1 · all · bookworm
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · bookworm; dsa · rubygems · debian · 12
- 2.3.15-2+deb12u1 · all · bookworm
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · bookworm; dsa · rubygems · debian · 12
[jruby]Fixed
Details (2)
- 9.3.9.0+ds-8 · all · bookworm
  Fixed · Fixed: 9.1.17.0-1
  dsa · jruby · debian · bookworm; dsa · jruby · debian · 12
- 9.3.9.0+ds-8 · all · bookworm
  Fixed · Fixed: 9.1.17.0-1
  dsa · jruby · debian · bookworm; dsa · jruby · debian · 12
[ruby-bundler]Fixed
Source package: [rubygems]
Details (2)
- 2.3.15-2+deb12u1 · all · bookworm
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · bookworm; dsa · rubygems · debian · 12
- 2.3.15-2+deb12u1 · all · bookworm
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · bookworm; dsa · rubygems · debian · 12
[ruby-rubygems]Fixed
Source package: [rubygems]
Details (2)
- 3.3.15-2+deb12u1 · all · bookworm
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · bookworm; dsa · rubygems · debian · 12
- 3.3.15-2+deb12u1 · all · bookworm
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · bookworm; dsa · rubygems · debian · 12

[Debian 13 (Trixie)]

[bundler]Fixed
Source package: [rubygems]
Details (2)
- 2.6.7-2 · all · trixie
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · 13
- 2.6.7-2 · all · trixie
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · 13
[jruby]Fixed
Details (2)
- 9.4.8.0+ds-3 · all · trixie
  Fixed · Fixed: 9.1.17.0-1
  dsa · jruby · debian · 13
- 9.4.8.0+ds-3 · all · trixie
  Fixed · Fixed: 9.1.17.0-1
  dsa · jruby · debian · 13
[ruby-bundler]Fixed
Source package: [rubygems]
Details (2)
- 2.6.7-2 · all · trixie
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · 13
- 2.6.7-2 · all · trixie
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · 13
[ruby-rubygems]Fixed
Source package: [rubygems]
Details (2)
- 3.6.7-2 · all · trixie
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · 13
- 3.6.7-2 · all · trixie
  Fixed · Fixed: 3.2.0~rc.1-1
  dsa · rubygems · debian · 13

Observed: Oct 23, 2026, 5:32:19 PM UTC

References

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