CVE-2021-39914
First published: Thu Nov 04 2021(Updated: )
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
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GitLab | >=8.13.0<14.2.6 | |
| GitLab | >=8.13.0<14.2.6 | |
| GitLab | >=14.3.0<14.3.4 | |
| GitLab | >=14.3.0<14.3.4 | |
| GitLab | =14.4.0 | |
| GitLab | =14.4.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-39914?
CVE-2021-39914 is classified as a denial of service vulnerability that can lead to excessive resource usage in affected GitLab versions.
How do I fix CVE-2021-39914?
To fix CVE-2021-39914, upgrade GitLab to version 14.2.6 or later, 14.3.4 or later, or ensure you are using a version higher than 14.4.0.
What versions of GitLab are affected by CVE-2021-39914?
CVE-2021-39914 affects GitLab versions 8.13 to 14.2.5, 14.3.0 to 14.3.3, and 14.4.0.
What happens if I have CVE-2021-39914?
If you have CVE-2021-39914, attackers can exploit the vulnerability by using specially crafted usernames, leading to resource exhaustion.
How can I identify if my GitLab instance is vulnerable to CVE-2021-39914?
You can identify if your GitLab instance is vulnerable to CVE-2021-39914 by checking its version against the affected versions listed.
- agent/type
- agent/references
- agent/weakness
- agent/author
- agent/softwarecombine
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/gitlab
- canonical/gitlab
- version/gitlab/8.13.0
- version/gitlab/14.3.0
- version/gitlab/14.4.0