A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.
oryginał ENCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HHancom Office 2020
APPHancom11.0.0.5357
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