CVE-2019-19590: Radare RADARE2

High severity, CVSS 7.8. EPSS: 2.5% chance of exploitation in the next 30 days.

In radare2 through 4.0, there is an integer overflow for the variable new_token_size in the function r_asm_massemble at libr/asm/asm.c. This integer overflow will result in a Use-After-Free for the buffer tokens, which can be filled with arbitrary malicious data after the free. This allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted input.

Affected products

• Radare RADARE2: up to and including 4.0.0

Published 2019-12-05. Last modified 2026-06-17.