What is the severity of CVE-2023-2199?

CVE-2023-2199 is categorized as a Regular Expression Denial of Service (ReDoS) vulnerability.

How do I fix CVE-2023-2199?

To fix CVE-2023-2199, upgrade your GitLab installation to version 15.10.8 or higher, 15.11.7 or higher, or 16.0.2 or higher.

Which versions of GitLab are affected by CVE-2023-2199?

CVE-2023-2199 affects GitLab versions from 12.0 up to 15.10.8, from 15.11.0 to 15.11.7, and from 16.0.0 to 16.0.2.

What type of attack does CVE-2023-2199 involve?

CVE-2023-2199 involves a Regular Expression Denial of Service attack via crafted payloads.

Is CVE-2023-2199 present in both GitLab CE and EE?

Yes, CVE-2023-2199 is present in both GitLab Community Edition (CE) and Enterprise Edition (EE) across the affected versions.

Vulnerability/
CVE-2023-2199

high

7.5

CWE

1333

7/6/2023

7/1/2025

CVE-2023-2199

First published: Wed Jun 07 2023(Updated: )

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.

Credit: cve@gitlab.com cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab	>=12.0.0<15.10.8
GitLab	>=12.0.0<15.10.8
GitLab	>=15.11.0<15.11.7
GitLab	>=15.11.0<15.11.7
GitLab	>=16.0.0<16.0.2
GitLab	>=16.0.0<16.0.2

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Frequently Asked Questions

What is the severity of CVE-2023-2199?
CVE-2023-2199 is categorized as a Regular Expression Denial of Service (ReDoS) vulnerability.
How do I fix CVE-2023-2199?
To fix CVE-2023-2199, upgrade your GitLab installation to version 15.10.8 or higher, 15.11.7 or higher, or 16.0.2 or higher.
Which versions of GitLab are affected by CVE-2023-2199?
CVE-2023-2199 affects GitLab versions from 12.0 up to 15.10.8, from 15.11.0 to 15.11.7, and from 16.0.0 to 16.0.2.
What type of attack does CVE-2023-2199 involve?
CVE-2023-2199 involves a Regular Expression Denial of Service attack via crafted payloads.
Is CVE-2023-2199 present in both GitLab CE and EE?
Yes, CVE-2023-2199 is present in both GitLab Community Edition (CE) and Enterprise Edition (EE) across the affected versions.

agent/type
agent/references
agent/weakness
agent/description
agent/severity
agent/event
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/author
agent/last-modified-date
agent/source
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
agent/softwarecombine
agent/tags
collector/nvd-index
vendor/gitlab
canonical/gitlab
version/gitlab/12.0.0
version/gitlab/15.11.0
version/gitlab/16.0.0

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Frequently Asked Questions

What is the severity of CVE-2023-2199?
CVE-2023-2199 is categorized as a Regular Expression Denial of Service (ReDoS) vulnerability.
How do I fix CVE-2023-2199?
To fix CVE-2023-2199, upgrade your GitLab installation to version 15.10.8 or higher, 15.11.7 or higher, or 16.0.2 or higher.
Which versions of GitLab are affected by CVE-2023-2199?
CVE-2023-2199 affects GitLab versions from 12.0 up to 15.10.8, from 15.11.0 to 15.11.7, and from 16.0.0 to 16.0.2.
What type of attack does CVE-2023-2199 involve?
CVE-2023-2199 involves a Regular Expression Denial of Service attack via crafted payloads.
Is CVE-2023-2199 present in both GitLab CE and EE?
Yes, CVE-2023-2199 is present in both GitLab Community Edition (CE) and Enterprise Edition (EE) across the affected versions.