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CVE-2019-5464
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF…
Critical9.8EPSS 2.8%
- Published
- Updated
- Reserved
- Assigned by
- hackerone
Description
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.8% · top 13% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
- affected Affects GitLab CE/EE 10.2 and later
- affected Fixed in 12.1.2 in 12.0.4 and in 11.11.6
References (3)
- https://about.gitlab.com/releases/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/ (opens in a new tab)x_refsource_MISCx_transferred
- https://hackerone.com/reports/632101 (opens in a new tab)x_refsource_MISCx_transferred
- https://gitlab.com/gitlab-org/gitlab-ce/issues/63959 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-5464)Record last updated .