CVE-2023-4912

Allocation of Resources Without Limits or Throttling in GitLab

MEDIUM
6.5
CVSS Score
Published: December 1, 2023 at 07:01 AM UTC
Updated: June 17, 2026 at 06:38 AM UTC
1 product affected across 1 vendorGitLab

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.6%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

10.5 ≤ v < 16.4.310.5.0 ≤ v < 16.4.316.5 ≤ v < 16.5.316.5.0 ≤ v < 16.5.316.6 ≤ v < 16.6.110.516.516.616.6.0
Affected range stops below 16.4.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.5.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.6.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Issue TrackingPermissions RequiredBroken LinkVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/424882
Technical DescriptionExploitPermissions RequiredThird Party Advisory
https://hackerone.com/reports/2137421

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770NVD-CWE-noinfo

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