CVE-2019-8321
HIGH7.5EPSS 0.33%RubyGems Escape sequence injection vulnerability in verbose
Published: 6/20/2019Modified: 4/28/2026
Description
An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.
Affected packages (4)
- Alpine/rubyfrom 0, < 2.4.6-r0
- Debian/jrubyfrom 0, < 9.1.17.0-3
- Debian/rubygemsfrom 0, < 3.2.0~rc.1-1
- RubyGems/rubygems-update>= 2.6.0, < 2.7.9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References (7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2019-8321
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2019-8321
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2019-8321
- WEBhttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- WEBhttps://blog.rubygems.org/2019/03/05/security-advisories-2019-03.html
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2019-8321.yml
- WEBhttps://lists.debian.org/debian-lts-announce/2020/08/msg00027.html