CVE-2023-3994

CVSS 3.1 Score 7.5 of 10 (high)

Details

Published Aug 2, 2023
Updated: Aug 4, 2023
CWE ID 1333
CWE ID 400

Summary

CVE-2023-3994 is a high-severity vulnerability that affects GitLab CE/EE versions 9.3 through 16.2.2. The vulnerability allows an attacker to launch a Regular Expression Denial of Service attack by sending specially crafted payloads to the preview_markdown endpoint using ProjectReferenceFilter. The vulnerability has a CVSS base score of 7.5, indicating a high potential danger to organizations. The exploit does not require any privileges or user interaction, and it can be exploited remotely over the network. It does not impact integrity or confidentiality but can significantly impact availability. It is important for organizations using affected versions of GitLab CE/EE to apply the necessary updates and patches to remediate this vulnerability.

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