CVE-2021-21958

https://notcve.org/view.php?id=CVE-2021-21958

16 Feb 2022 — A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability. Se presenta una vulnerabilidad de desbordamiento de búfer en la región heap de la memoria en la funcionalidad Hword HwordApp.dll de Hancom Office 2020 versión 11.0.0.2353. Un archivo malformado diseñado especia... • https://blog.talosintelligence.com/2022/02/vuln-spotlight-.html • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •