USN-7915-1: Radare2 vulnerabilities

Publication date

8 December 2025

Overview

Several security issues were fixed in radare2.


Packages

  • radare2 - free and advanced command line hexadecimal editor

Details

It was discovered that Radare2 contained several memory leaks. An attacker
could possibly use these issues to cause a denial of service.

It was discovered that Radare2 contained several memory leaks. An attacker
could possibly use these issues to cause a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
25.10 questing radare2 –  5.9.8+dfsg-2ubuntu0.25.10.2
25.04 plucky radare2 –  5.9.8+dfsg-2ubuntu0.25.04.2
24.04 LTS noble radare2 –  5.5.0+dfsg-1.1ubuntu3+esm1  
20.04 LTS focal radare2 –  4.2.1+dfsg-2ubuntu0.1~esm1  
18.04 LTS bionic radare2 –  2.3.0+dfsg-2ubuntu0.1~esm1  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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