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.
problem types: Improper Input Validation (CWE-20)
affected:
{
product: GitLab CE/EE
vendor: GitLab
versions:
status: affected, version: Affects GitLab CE/EE 10.2 and later
status: affected, version: Fixed in 12.1.2 in 12.0.4 and in 11.11.6
}