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

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).

A Denial of Service (DoS) condition has been discovered in GitLab CE/EE affecting all versions from 7.10 prior before 16.11.5, version 17.0 before 17.0.3, and 17.1 before 17.1.1. It is possible for an attacker to cause a denial of service using a crafted markdown page.

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.

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

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 EE 12.6 and later through 12.7.2 allows Denial of Service.

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 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.

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 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.

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

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

In the bindata RubyGem before version 2.4.10 there is a potential denial-of-service vulnerability. In affected versions it is very slow for certain classes in BinData to be created. For example BinData::Bit100000, BinData::Bit100001, BinData::Bit100002, BinData::Bit<N>. In combination with <user_input>.constantize there is a potential for a CPU-based DoS. In version 2.4.10 bindata improved the creation time of Bits and Integers.

An issue has been discovered in GitLab CE/EE affecting all versions from 7.12 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed unauthorized users to render the GitLab instance unresponsive to legitimate users by sending multiple concurrent large SAML responses.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.5 before 16.9.6, all versions starting from 16.10 before 16.10.4, all versions starting from 16.11 before 16.11.1. A crafted wildcard filter in FileFinder may lead to a denial of service.

An issue has been discovered in GitLab CE/EE affecting all versions from 9.4 before 17.4.6, 17.5 before 17.5.4, and 17.6 before 17.6.2. An attacker could cause a denial of service with requests for diff files on a commit or merge request.

An issue was discovered in GitLab CE/EE affecting all versions starting from 16.4 prior to 17.1.7, starting from 17.2 prior to 17.2.5, starting from 17.3 prior to 17.3.2 which could cause Denial of Service via sending a specific POST request.

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 has been discovered in GitLab CE/EE affecting all versions starting from 9.3 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use ProjectReferenceFilter to the preview_markdown endpoint.

Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.0 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A DollarMathPostFilter Regular Expression Denial of Service in was possible by sending crafted payloads to the preview_markdown endpoint.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0 before 15.6.7, all versions starting from 15.7 before 15.7.6, all versions starting from 15.8 before 15.8.1. It was possible to trigger a DoS attack by uploading a malicious Helm chart.

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

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.3 before 15.6.7, all versions starting from 15.7 before 15.7.6, all versions starting from 15.8 before 15.8.1. An attacker may upload a crafted CI job artifact zip file in a project that uses dynamic child pipelines and make a sidekiq job allocate a lot of memory. In GitLab instances where Sidekiq is memory-limited, this may cause Denial of Service.

A potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions from 10.8 before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. Improper data handling on branch creation could have been used to trigger high CPU usage.

An issue has been discovered in GitLab CE/EE affecting all versions before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. A crafted Prometheus Server query can cause high resource consumption and may lead to Denial of Service.

A denial of service condition exists in the Prometheus server bundled with GitLab affecting all versions from 11.10 to 15.8.5, 15.9 to 15.9.4 and 15.10 to 15.10.1.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.7 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to cause a denial of service condition by exploiting incorrect authorization validation in API endpoints.

An issue has been discovered in GitLab affecting all versions starting from 15.2 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible by using crafted payloads to search Harbor Registry.

An issue has been discovered in GitLab EE affecting all versions starting before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. It was possible to overflow the time spent on an issue that altered the details shown in the issue boards.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. An invalid 'start_sha' value on merge requests page may lead to Denial of Service as Changes tab would not load.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint.

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

A Denial of Service vulnerability allowed exhausting the system resources in GitLab CE/EE 12.0 and later through 13.0.1

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 has remediated an issue in GitLab CE/EE affecting all versions from 6.3 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to cause a Denial of Service condition by sending crafted API calls with large content parameters.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.7 before 18.3.5, 18.4 before 18.4.3, and 18.5 before 18.5.1 that could have allowed an unauthenticated attacker to create a denial of service condition by uploading large files to specific API endpoints.

An issue was discovered in GitLab CE/EE affecting all versions starting from 13.9 before 17.4.6, 17.5 before 17.5.4, and 17.6 before 17.6.2, that allows an attacker to cause uncontrolled CPU consumption, potentially leading to a Denial of Service (DoS) condition while parsing templates to generate changelogs.

A Denial of Service (DoS) issue has been discovered in GitLab CE/EE affecting all versions starting from 7.14.1 prior to 17.3.7, 17.4 prior to 17.4.4, and 17.5 prior to 17.5.2. A denial of service could occur upon importing maliciously crafted content using the Fogbugz importer.

An issue has been discovered in GitLab CE/EE affecting all versions from 11.2 before 17.3.6, 17.4 before 17.4.3, and 17.5 before 17.5.1. A denial of service could occur via importing a malicious crafted XML manifest file.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an authenticated user to create a denial of service condition by providing crafted responses to external API calls.