CVE-2021-39938: Medium severity gitlab vulnerability
A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-39938?
CVE-2021-39938 is classified as a Denial of Service vulnerability leading to uncontrolled resource consumption.
How do I fix CVE-2021-39938?
To fix CVE-2021-39938, upgrade your GitLab installation to version 14.3.6 or later, or to version 14.4.4 or later, or to version 14.5.2 or later.
Which versions of GitLab are affected by CVE-2021-39938?
CVE-2021-39938 affects GitLab CE/EE versions from 8.15 to less than 14.3.6, from 14.4 to less than 14.4.4, and from 14.5 to less than 14.5.2.
What kind of attack does CVE-2021-39938 facilitate?
CVE-2021-39938 allows an attacker to exploit a vulnerable regex pattern causing Denial of Service via resource exhaustion.
Is CVE-2021-39938 present in all GitLab editions?
Yes, CVE-2021-39938 is present in both GitLab Community Edition (CE) and Enterprise Edition (EE) in the specified vulnerable versions.