Input validation error in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2021-39932
Published: December 9, 2021
Vulnerability identifier: #VU58760
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-39932
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Diff feature. A remote authenticated attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Arch Linux
Gitlab Community Edition
Arch Linux
How to mitigate CVE-2021-39932
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 14.3.6, 14.4.4, 14.5.2
Gitlab Community Edition - addressed in versions 14.3.6, 14.4.4, 14.5.2
Gitlab Community Edition - addressed in versions 14.3.6, 14.4.4, 14.5.2