CVE-2021-27229 Other in n/a

What is CVE-2021-27229?

CVE-2021-27229 is a high-severity vulnerability in Debian Debian Linux, published on 16 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Mumble before 1.3.4 allows remote code execution if a victim navigates to a crafted URL on a server list and clicks on the Open Webpage text.

Weakness: CWE-59

Which versions are affected by CVE-2021-27229?

It affects 2 products.

Products include Debian Debian Linux, Mumble Mumble.

How do I fix CVE-2021-27229?

Upgrade to a fixed version.

Is CVE-2021-27229 being exploited?

There is no known exploitation of CVE-2021-27229 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2021-27229, DLA-2562-1, GHSA-58v9-jf45-v492, MGASA-2021-0125, UBUNTU-CVE-2021-27229, USN-5195-1 and 1 more.