A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes protected documents. A specially crafted document can trigger reuse of freed memory, which can lead to further memory corruption and potentially result in arbitrary code execution. An attacker can provide a malicious document to trigger this vulnerability.

A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes protected documents. A specially crafted document can trigger reuse of freed memory, which can lead to further memory corruption and potentially result in arbitrary code execution. An attacker can provide a malicious document to trigger this vulnerability.

Multiple products provided by JustSystems Corporation contain multiple vulnerabilities listed below. <ul><li>Use After Free (CWE-416) - CVE-2022-43664</li> <li>Heap-based Buffer Overflow (CWE-122) - CVE-2022-45115</li> <li>Free of Memory not on the Heap (CWE-590) - CVE-2023-22291</li> <li>Heap-based Buffer Overflow (CWE-122) - CVE-2023-22660</li></ul> Cisco Talos Security Intelligence & Research Group reported these vulnerabilities to JustSystems Corporation and coordinated. JustSystems Corporation and JPCERT/CC published respective advisories in order to notify users of the solutions through JVN.