For GitLab before 13.0.12, 13.1.6, 13.2.3 after a group transfer occurs, members from a parent group keep their access level on the subgroup leading to improper access.

For GitLab before 13.0.12, 13.1.6, 13.2.3 a memory exhaustion flaw exists due to excessive logging of an invite email error message.

In GitLab before 13.0.12, 13.1.6, and 13.2.3, improper access control was used on the Applications page

In GitLab before 13.0.12, 13.1.6, and 13.2.3, a stored XSS vulnerability exists in the CI/CD Jobs page

In GitLab before 13.0.12, 13.1.6 and 13.2.3, access grants were not revoked when a user revoked access to an application.

In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.

In GitLab before 13.0.12, 13.1.6 and 13.2.3, it is possible to bypass E-mail verification which is required for OAuth Flow.

GitLab EE 11.3 through 13.1.2 has Incorrect Access Control because of the Maven package upload endpoint.

libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.

An Improper Input Validation issue was discovered in GitLab Community and Enterprise Edition before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It was possible to use the profile name to inject a potentially malicious link into notification emails.