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A vulnerability classified as problematic has been found in Radare2 5.9.9. Affected is the function r_cons_pal_init in the library /libr/cons/pal.c of the component radiff2. The manipulation leads to memory corruption. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The patch is identified as 5705d99cc1f23f36f9a84aab26d1724010b97798. It is recommended to apply a patch to fix this issue. The documentation explains that the parameter -T is experimental and "crashy". Further analysis has shown "the race is not a real problem unless you use asan". A new warning has been added.
Cite this page
CVE-2025-5642. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-5642
Use CWE-119, Radare vendor hub and Radare2 product page to widen CVE-2025-5642 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2026-40517, CVE-2026-6941 and CVE-2026-6940 for nearby disclosures in the same product family.