GHSA-74pv-v9gh-h25p · Severity: high · Ecosystem: rubygems — RubyGems Infinite Loop vulnerability
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 infinite loop caused by negative size vulnerability in ruby gem package tar header that can result in a negative size could cause an infinite loop.. This vulnerability appears to have been fixed in 2.7.6.
Conclusion & alert: CVE-2018-1000075 is rated Moderate Risk (58.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.76%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-01-09 | 1.63% | 1.76% | +0.13% |
| 2 | 2025-11-21 | 4.87% | 1.63% | -3.24% |
| 3 | 2025-11-18 | — | 4.87% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-74pv-v9gh-h25p · Severity: high · Ecosystem: rubygems — RubyGems Infinite Loop vulnerability
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2018-1000075 not yet assigned priority: Debian including 2 source packages (jruby, rubygems), 9 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 9. | https://security-tracker.debian.org/tracker/CVE-2018-1000075 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2018-1000075 |
suse
|
low | CVE-2018-1000075 severity low: SUSE including 301 source package names (2.17-17.3:libruby2_5-2_5-2.5.5-4.3.1, 2.17-17.3:ruby2.5-2.5.5-4.3.1, …), 1042 product×package rows across 263 product lines (Container bci/ruby, Container suse/rmt-server, … (263 product lines)): Fixed 842, Known Affected 157, Known Not Affected 43. | https://www.suse.com/security/cve/CVE-2018-1000075/ |
ubuntu
|
medium | CVE-2018-1000075 medium priority: Ubuntu including 6 source packages (jruby, ruby1.9.1, ruby2.0, ruby2.1, ruby2.3, ruby2.5), 118 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 87, not-affected 12, released 9, needs-triage 8, ignored 2. | https://ubuntu.com/security/CVE-2018-1000075 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| rubygems | rubygems | <= 2.2.9 | cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* |
| rubygems | rubygems | <= 2.3.6 | cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* |
| rubygems | rubygems | <= 2.4.3 | cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* |
| rubygems | rubygems | <= 2.5.0 | cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |