# private_address_check (RubyGems) vulnerabilities

Source: https://junglewise.ai/threats/technologies/private-address-check  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/private-address-check.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in private_address_check (RubyGems): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2018-3759, was published on 31 July 2018.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 3 (0 critical, 0 exploited in the wild)

## About private_address_check (RubyGems)

Ruby gem for checking if IP addresses belong to private address ranges.

## Latest private_address_check (RubyGems) vulnerabilities

- [CVE-2018-3759: private_address_check contains race condition](https://junglewise.ai/threats/cve-2018-3759-private-address-check-contains-race-condition) (info, published 31 Jul 2018)
- [CVE-2017-0909: private_address_check contains Incomplete List of Disallowed Inputs](https://junglewise.ai/threats/cve-2017-0909-private-address-check-contains-incomplete-list-of-disallowed) (info, published 30 Nov 2017)
- [CVE-2017-0904: private_address_check vulnerable to bypass of Resolv.getaddresses method](https://junglewise.ai/threats/cve-2017-0904-private-address-check-vulnerable-to-bypass-of-resolv-getaddresses) (info, published 29 Nov 2017)

## Most severe private_address_check (RubyGems) vulnerabilities

- [CVE-2017-0904: private_address_check vulnerable to bypass of Resolv.getaddresses method](https://junglewise.ai/threats/cve-2017-0904-private-address-check-vulnerable-to-bypass-of-resolv-getaddresses) (info, published 29 Nov 2017)
- [CVE-2017-0909: private_address_check contains Incomplete List of Disallowed Inputs](https://junglewise.ai/threats/cve-2017-0909-private-address-check-contains-incomplete-list-of-disallowed) (info, published 30 Nov 2017)
- [CVE-2018-3759: private_address_check contains race condition](https://junglewise.ai/threats/cve-2018-3759-private-address-check-contains-race-condition) (info, published 31 Jul 2018)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other RubyGems technologies

- [actionpack (RubyGems)](https://junglewise.ai/threats/technologies/actionpack): 77 vulnerabilities
- [nokogiri (RubyGems)](https://junglewise.ai/threats/technologies/nokogiri): 69 vulnerabilities
- [rack (RubyGems)](https://junglewise.ai/threats/technologies/rack): 55 vulnerabilities
- [activerecord (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-activerecord): 26 vulnerabilities
- [rubygems-update (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-update): 25 vulnerabilities
- [puppet (RubyGems)](https://junglewise.ai/threats/technologies/puppet): 23 vulnerabilities
- [activesupport (RubyGems)](https://junglewise.ai/threats/technologies/activesupport): 20 vulnerabilities
- [actionview (RubyGems)](https://junglewise.ai/threats/technologies/actionview): 19 vulnerabilities
- [activestorage (RubyGems)](https://junglewise.ai/threats/technologies/activestorage): 19 vulnerabilities
- [camaleon_cms (RubyGems)](https://junglewise.ai/threats/technologies/camaleon-cms): 19 vulnerabilities
- [rails-html-sanitizer (RubyGems)](https://junglewise.ai/threats/technologies/rails-html-sanitizer): 18 vulnerabilities
- [loofah (RubyGems)](https://junglewise.ai/threats/technologies/loofah): 17 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "private_address_check (RubyGems) vulnerabilities", https://junglewise.ai/threats/technologies/private-address-check, 13 November 2026.