A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was vulnerable to a blind SSRF attack through the repository mirroring feature.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab Webhook feature could be abused to perform denial of service attacks due to the lack of rate limitation.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not invalidating project invitation link upon removing a user from a project.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Same 2 factor Authentication secret code was generated which resulted an attacker to maintain access under certain conditions.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Under certain conditions GitLab was not properly revoking user sessions and allowed a malicious user to access a user account with an old password.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was vulnerable to a stored XSS on the standalone vulnerability page.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Conan package upload functionality was not properly validating the supplied parameters, which resulted in the limited files disclosure.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. When 2 factor authentication was enabled for groups, a malicious user could bypass that restriction by sending a specific query to the API endpoint.

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, 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.

User is allowed to set an email as a notification email even without verifying the new email in all previous GitLab CE/EE versions through 13.0.1

A security issue allowed achieving Denial of Service attacks through memory exhaustion by uploading malicious artifacts in all previous GitLab versions through 13.0.1

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

A Stored Cross-Site Scripting vulnerability allowed the execution of arbitrary Javascript code in the blobs API in all previous GitLab CE/EE versions through 13.0.1

An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) before 12.7.9, 12.8.x before 12.8.9, and 12.9.x before 12.9.3. A Workhorse bypass could lead to NuGet package and file disclosure (Exposure of Sensitive Information) via request smuggling.

GitLab EE/CE 8.0.rc1 to 12.9 is vulnerable to a blind SSRF in the FogBugz integration.

GitLab EE/CE 8.5 to 12.9 is vulnerable to a an path traversal when moving an issue between projects.

GitLab through 12.9 is affected by a potential DoS in repository archive download.