CVE-2021-39116 Denial of service in Jira Data Center

What is CVE-2021-39116?

CVE-2021-39116 is a medium-severity denial of service vulnerability in Atlassian Jira Data Center, published on 8 Sep 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the GIF Image Reader component. The affected versions are before version 8.13.14, and from version 8.14.0 before 8.19.0.

Which versions are affected by CVE-2021-39116?

It affects 2 products.

Products include Atlassian Jira Data Center, Atlassian Jira Server.

How do I fix CVE-2021-39116?

No fix has been published for CVE-2021-39116 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-39116 being exploited?

There is no known exploitation of CVE-2021-39116 in the wild and no public exploit code.

Other vulnerabilities in Atlassian Jira Data Center

• CVE-2021-26086 Atlassian Jira Server and Data Center Path Traversal Exploited Medium 5.3
• CVE-2022-0540 Auth bypass in Jira Core Server Critical 9.8
• CVE-2020-36239 Deserialization in Jira Core Data Center Critical 9.8
• CVE-2025-22167 Path traversal in Jira Software Data Center High 8.7
• CVE-2019-20419 Other in Jira Server High 7.8

All Atlassian Jira Data Center vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-225q-rmfw-6pfr.