CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
29.7%
gitlab is vulnerable to Regular Expression Denial Of Service (ReDoS). The vulnerability exists due to the insecure Regex pattern used in the library, which allows an attacker to crash the application by sending maliciously crafted payloads to the preview_markdown endpoint