CVE-2019-5464
CVSS v3
9.8
CRITICAL
EPSS Score
2.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2020-01-28
Frequently asked questions
What is 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 where the library is utilized.
Is CVE-2019-5464 actively exploited?
Active exploitation of CVE-2019-5464 has not been confirmed. Its EPSS score was 2.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-5464?
CVE-2019-5464 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2019-5464 affecting your environment?
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