USN-7915-1: Radare2 vulnerabilities

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.

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

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

• 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