An issue has been discovered in GitLab CE/EE affecting all versions from 14.1 before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that that under certain conditions could have allowed an unauthenticated attacker to cause a denial-of-service condition affecting all users by sending specially crafted GraphQL requests.

A potential DoS vulnerability was discovered in GitLab CE/EE starting with version 13.7. Using a malformed TIFF images was possible to trigger memory exhaustion.

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 lack of appropriate timeouts in GitLab Pages included in GitLab CE/EE all versions prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 allows an attacker to cause unlimited resource consumption.

An issue was discovered in GitLab Community and Enterprise Edition 8.15 through 12.2.1. Particular mathematical expressions in GitLab Markdown can exhaust client resources.

An issue was discovered in GitLab Community and Enterprise Edition through 12.2.1. Under certain circumstances, CI pipelines could potentially be used in a denial of service attack.

A potential DOS vulnerability was discovered in GitLab CE/EE starting with version 13.7. The stripping of EXIF data from certain images resulted in high CPU usage.

An issue has been discovered in GitLab affecting all versions starting from 15.9 before 15.9.4, all versions starting from 15.10 before 15.10.1. A search timeout could be triggered if a specific HTML payload was used in the issue description.

An issue has been discovered in GitLab affecting all versions starting from 9.0 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. It was possible to trigger a resource depletion attack due to improper filtering for number of requests to read commits details.

An issue was discovered in GitLab Community and Enterprise Edition 11.1.x before 11.1.2. A Denial of Service can occur because Markdown rendering times are slow.

An issue has been discovered in GitLab affecting all versions before 16.2.0. Committing directories containing LF character results in 500 errors when viewing the commit.

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

GitLab 8.11 through 12.8.1 allows a Denial of Service when using several features to recursively request eachother,

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.8 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may cause Denial of Service on a GitLab instance by exploiting a regex issue in how the application parses user agents.

An attacker could cause a Prometheus denial of service in GitLab 13.7+ by sending an HTTP request with a malformed method

An uncontrolled resource consumption issue when parsing URLs in GitLab CE/EE affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to cause performance issues and potentially a denial of service on the GitLab instance.

GitLab EE 12.6 and later through 12.7.2 allows Denial of Service.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 6.6 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may cause Denial of Service on a GitLab instance by exploiting a regex issue in the submodule URL parser.

A potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed parsing files without authorisation.

A Regular Expression Denial of Service vulnerability in GitLab CE/EE affecting all versions from 1.0.2 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1 allows an attacker to make a GitLab instance inaccessible via specially crafted web server response headers

An issue has been discovered in GitLab affecting all versions starting from 12.10 before 14.8.6, all versions starting from 14.9 before 14.9.4, all versions starting from 14.10 before 14.10.1. GitLab was not correctly handling malicious requests to the PyPi API endpoint allowing the attacker to cause uncontrolled resource consumption.

An issue has been discovered in GitLab affecting all versions starting from 13.9 before 14.8.6, all versions starting from 14.9 before 14.9.4, all versions starting from 14.10 before 14.10.1. GitLab was not correctly handling malicious text in the CI Editor and CI Pipeline details page allowing the attacker to cause uncontrolled resource consumption.

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

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. The profile activity page was not restricting the amount of results one could request, potentially resulting in a denial of service.

GitLab 12.2 through 12.8.1 allows Denial of Service. A denial of service vulnerability impacting the designs for public issues was discovered.

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

A potential DoS vulnerability was discovered in Gitlab CE/EE versions 13.7 before 14.7.7, all versions starting from 14.8 before 14.8.5, all versions starting from 14.9 before 14.9.2 allowed an attacker to trigger high CPU usage via a special crafted input added in Issues, Merge requests, Milestones, Snippets, Wiki pages, etc.

An issue was discovered in GitLab Community and Enterprise Edition before 11.6.10, 11.7.x before 11.7.6, and 11.8.x before 11.8.1. It allows Uncontrolled Resource Consumption.

An issue has been discovered in GitLab affecting all versions starting from 12.10 before 14.4.5, all versions starting from 14.5.0 before 14.5.3, all versions starting from 14.6.0 before 14.6.2. GitLab was not correctly handling requests to delete existing packages which could result in a Denial of Service under specific conditions.

A regular expression denial of service issue in GitLab versions 8.13 to 14.2.5, 14.3.0 to 14.3.3 and 14.4.0 could cause excessive usage of resources when a specially crafted username was used when provisioning a new user

An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) 11.0 through 12.6. It allows Uncontrolled Resource Consumption.

GitLab EE 12.3 through 12.5, 12.4.3, and 12.3.6 allows Denial of Service. Certain characters were making it impossible to create, edit, or view issues and commits.

An issue was discovered in GitLab Community and Enterprise Edition 11 through 12.4 when building Nested GraphQL queries. It has a large or infinite loop.

An issue was discovered in GitLab Community and Enterprise Edition 11.10 through 12.0.2. When specific encoded characters were added to comments, the comments section would become inaccessible. It has Incorrect Access Control (issue 1 of 2).

An issue was discovered in GitLab Community and Enterprise Edition before 12.0.3. One of the parsers used by Gilab CI was vulnerable to a resource exhaustion attack. It allows Uncontrolled Resource Consumption.

An issue was discovered in GitLab Community and Enterprise Edition before 11.7.10, 11.8.x before 11.8.6, and 11.9.x before 11.9.4. A regex input validation issue for the .gitlab-ci.yml refs value allows Uncontrolled Resource Consumption.

An issue was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. Making concurrent GET /api/v4/projects/<id>/languages requests may allow Uncontrolled Resource Consumption.

Bypass of healthcheck endpoint allow list affecting all versions from 12.0 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 allows an unauthorized attacker to prevent access to GitLab

GitLab EE 12.4.2 through 12.8.1 allows Denial of Service. It was internally discovered that a potential denial of service involving permissions checks could impact a project home page.

An issue has been discovered in GitLab CE/EE affecting all versions from 8.15 before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that could have could have allowed an authenticated user to cause a Denial of Service (DoS) condition by submitting URLs that generate excessively large responses.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 prior to 16.9.7, starting from 16.10 prior to 16.10.5, and starting from 16.11 prior to 16.11.2. The pins endpoint is susceptible to DoS through a crafted request.

A denial of service issue was discovered in GitLab CE/EE affecting all versions starting from 13.2.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2 which allows an attacker to cause high resource consumption using malicious test report artifacts.

An issue has been discovered in GitLab CE/EE affecting all versions from 2.1.0 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. A lack of input validation in HTTP responses could allow an authenticated user to cause denial of service.

An issue was discovered in GitLab CE/EE affecting all versions before 17.7.7, 17.8 prior to 17.8.5, and 17.9 prior to 17.9.2. where a denial of service vulnerability could allow an attacker to cause a system reboot under certain conditions.

A denial of service vulnerability in GitLab CE/EE affecting all versions from 14.1 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 allows an attacker to impact the availability of GitLab via unbounded symbol creation via the scopes parameter in a Personal Access Token.

An issue has been discovered in GitLab EE/CE affecting all versions from 12.10 before 17.8.6, 17.9 before 17.9.3, and 17.10 before 17.10.1. A maliciously crafted file can cause uncontrolled CPU consumption when viewing the associated merge request.

An issue has been discovered in GitLab EE affecting all versions from 13.3.0 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows an attacker to do a resource exhaustion using GraphQL `vulnerabilitiesCountByDay`

A denial of service vulnerability was identified in GitLab CE/EE, affecting all versions from 15.11 prior to 16.6.7, 16.7 prior to 16.7.5 and 16.8 prior to 16.8.2 which allows an attacker to spike the GitLab instance resource usage resulting in service degradation.

An issue has been discovered in GitLab EE with Advanced Search affecting all versions from 13.9 to 16.3.6, 16.4 prior to 16.4.2 and 16.5 prior to 16.5.1 that could allow a denial of service in the Advanced Search function by chaining too many syntax operators.

An issue has been discovered in GitLab EE affecting all versions starting from 10.5 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted mermaid diagram input.