CVE-2020-27638 – Ubuntu Security Notice USN-4718-1

https://notcve.org/view.php?id=CVE-2020-27638

22 Oct 2020 — receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code. En el archivo Receive.c en fastd versiones anteriores a v21, permite una denegación de servicio (fallo de aserción) cuando se reciben paquetes con un código de tipo no válido It was discovered that fastd did not properly handle receive buffers under certain circumstances. A remote attacker could possibly use this issue to cause a memory leak, resulting in a denial of service. • https://bugs.debian.org/972521 • CWE-617: Reachable Assertion •